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Finding the Fourth Proportional to 62,254.80, 85,915.69 and 35,399.81

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Solution

The fourth proportional to 62,254.80, 85,915.69 and 35,399.81 is: 48,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,254.80 : 85,915.69 = 35,399.81 : x
  2. Step 2: Convert to fraction form
    62,254.80/85,915.69 = 35,399.81/x
  3. Step 3: Cross multiply
    62,254.80x = 85,915.69 × 35,399.81
  4. Step 4: Simplify right side
    62,254.80x = 3,041,398,986.67
  5. Step 5: Solve for x
    x = 3,041,398,986.67/62,254.80
  6. Step 6: Final answer
    x = 48,854.05

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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.