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Finding the Fourth Proportional to 60,753.59, 91,152.26 and 21,316.85

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Solution

The fourth proportional to 60,753.59, 91,152.26 and 21,316.85 is: 31,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,753.59 : 91,152.26 = 21,316.85 : x
  2. Step 2: Convert to fraction form
    60,753.59/91,152.26 = 21,316.85/x
  3. Step 3: Cross multiply
    60,753.59x = 91,152.26 × 21,316.85
  4. Step 4: Simplify right side
    60,753.59x = 1,943,078,491.24
  5. Step 5: Solve for x
    x = 1,943,078,491.24/60,753.59
  6. Step 6: Final answer
    x = 31,982.94

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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.