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Finding the Fourth Proportional to 9,611.49, 14,348.51 and 8,926.23

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Solution

The fourth proportional to 9,611.49, 14,348.51 and 8,926.23 is: 13,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.49 : 14,348.51 = 8,926.23 : x
  2. Step 2: Convert to fraction form
    9,611.49/14,348.51 = 8,926.23/x
  3. Step 3: Cross multiply
    9,611.49x = 14,348.51 × 8,926.23
  4. Step 4: Simplify right side
    9,611.49x = 128,078,100.42
  5. Step 5: Solve for x
    x = 128,078,100.42/9,611.49
  6. Step 6: Final answer
    x = 13,325.52

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Half scale
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Double scale
Find fourth proportional to 9,612.49, 14,350 and 8,927.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.