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Finding the Fourth Proportional to 61,333.80, 92,000.70 and 42,574.20

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Solution

The fourth proportional to 61,333.80, 92,000.70 and 42,574.20 is: 63,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,333.80 : 92,000.70 = 42,574.20 : x
  2. Step 2: Convert to fraction form
    61,333.80/92,000.70 = 42,574.20/x
  3. Step 3: Cross multiply
    61,333.80x = 92,000.70 × 42,574.20
  4. Step 4: Simplify right side
    61,333.80x = 3,916,856,201.94
  5. Step 5: Solve for x
    x = 3,916,856,201.94/61,333.80
  6. Step 6: Final answer
    x = 63,861.30

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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.