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Finding the Fourth Proportional to 15,755.71, 23,629.44 and 7,433.53

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Solution

The fourth proportional to 15,755.71, 23,629.44 and 7,433.53 is: 11,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755.71 : 23,629.44 = 7,433.53 : x
  2. Step 2: Convert to fraction form
    15,755.71/23,629.44 = 7,433.53/x
  3. Step 3: Cross multiply
    15,755.71x = 23,629.44 × 7,433.53
  4. Step 4: Simplify right side
    15,755.71x = 175,650,151.12
  5. Step 5: Solve for x
    x = 175,650,151.12/15,755.71
  6. Step 6: Final answer
    x = 11,148.35

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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.