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Finding the Fourth Proportional to 9,927.50, 14,891.26 and 4,455.50

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Solution

The fourth proportional to 9,927.50, 14,891.26 and 4,455.50 is: 6,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.50 : 14,891.26 = 4,455.50 : x
  2. Step 2: Convert to fraction form
    9,927.50/14,891.26 = 4,455.50/x
  3. Step 3: Cross multiply
    9,927.50x = 14,891.26 × 4,455.50
  4. Step 4: Simplify right side
    9,927.50x = 66,348,008.93
  5. Step 5: Solve for x
    x = 66,348,008.93/9,927.50
  6. Step 6: Final answer
    x = 6,683.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.