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Finding the Fourth Proportional to 58,354.85, 87,400.98 and 40,902.59

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Solution

The fourth proportional to 58,354.85, 87,400.98 and 40,902.59 is: 61,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,354.85 : 87,400.98 = 40,902.59 : x
  2. Step 2: Convert to fraction form
    58,354.85/87,400.98 = 40,902.59/x
  3. Step 3: Cross multiply
    58,354.85x = 87,400.98 × 40,902.59
  4. Step 4: Simplify right side
    58,354.85x = 3,574,926,013.53
  5. Step 5: Solve for x
    x = 3,574,926,013.53/58,354.85
  6. Step 6: Final answer
    x = 61,261.85

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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.