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Finding the Fourth Proportional to 63,647.86, 95,459.49 and 60,486.74

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Solution

The fourth proportional to 63,647.86, 95,459.49 and 60,486.74 is: 90,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,647.86 : 95,459.49 = 60,486.74 : x
  2. Step 2: Convert to fraction form
    63,647.86/95,459.49 = 60,486.74/x
  3. Step 3: Cross multiply
    63,647.86x = 95,459.49 × 60,486.74
  4. Step 4: Simplify right side
    63,647.86x = 5,774,033,352.16
  5. Step 5: Solve for x
    x = 5,774,033,352.16/63,647.86
  6. Step 6: Final answer
    x = 90,718.42

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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.