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Finding the Fourth Proportional to 9,014.70, 12,448.80 and 8,523.84

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Solution

The fourth proportional to 9,014.70, 12,448.80 and 8,523.84 is: 11,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.70 : 12,448.80 = 8,523.84 : x
  2. Step 2: Convert to fraction form
    9,014.70/12,448.80 = 8,523.84/x
  3. Step 3: Cross multiply
    9,014.70x = 12,448.80 × 8,523.84
  4. Step 4: Simplify right side
    9,014.70x = 106,111,579.39
  5. Step 5: Solve for x
    x = 106,111,579.39/9,014.70
  6. Step 6: Final answer
    x = 11,770.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.