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Finding the Fourth Proportional to 62,255.31, 85,916.38 and 35,400.31

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Solution

The fourth proportional to 62,255.31, 85,916.38 and 35,400.31 is: 48,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,255.31 : 85,916.38 = 35,400.31 : x
  2. Step 2: Convert to fraction form
    62,255.31/85,916.38 = 35,400.31/x
  3. Step 3: Cross multiply
    62,255.31x = 85,916.38 × 35,400.31
  4. Step 4: Simplify right side
    62,255.31x = 3,041,466,486.08
  5. Step 5: Solve for x
    x = 3,041,466,486.08/62,255.31
  6. Step 6: Final answer
    x = 48,854.74

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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.