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Finding the Fourth Proportional to 60,562.52, 90,842.97 and 21,119.50

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Solution

The fourth proportional to 60,562.52, 90,842.97 and 21,119.50 is: 31,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,562.52 : 90,842.97 = 21,119.50 : x
  2. Step 2: Convert to fraction form
    60,562.52/90,842.97 = 21,119.50/x
  3. Step 3: Cross multiply
    60,562.52x = 90,842.97 × 21,119.50
  4. Step 4: Simplify right side
    60,562.52x = 1,918,558,104.92
  5. Step 5: Solve for x
    x = 1,918,558,104.92/60,562.52
  6. Step 6: Final answer
    x = 31,678.97

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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.