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Finding the Fourth Proportional to 61,532.80, 92,299.20 and 58,908.40

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Solution

The fourth proportional to 61,532.80, 92,299.20 and 58,908.40 is: 88,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,532.80 : 92,299.20 = 58,908.40 : x
  2. Step 2: Convert to fraction form
    61,532.80/92,299.20 = 58,908.40/x
  3. Step 3: Cross multiply
    61,532.80x = 92,299.20 × 58,908.40
  4. Step 4: Simplify right side
    61,532.80x = 5,437,198,193.28
  5. Step 5: Solve for x
    x = 5,437,198,193.28/61,532.80
  6. Step 6: Final answer
    x = 88,362.60

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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.