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Finding the Fourth Proportional to 62,000.79, 85,567.78 and 35,140.42

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Solution

The fourth proportional to 62,000.79, 85,567.78 and 35,140.42 is: 48,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,000.79 : 85,567.78 = 35,140.42 : x
  2. Step 2: Convert to fraction form
    62,000.79/85,567.78 = 35,140.42/x
  3. Step 3: Cross multiply
    62,000.79x = 85,567.78 × 35,140.42
  4. Step 4: Simplify right side
    62,000.79x = 3,006,887,124.13
  5. Step 5: Solve for x
    x = 3,006,887,124.13/62,000.79
  6. Step 6: Final answer
    x = 48,497.56

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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.