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Finding the Fourth Proportional to 57,552.40, 86,379.88 and 29,491.56

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Solution

The fourth proportional to 57,552.40, 86,379.88 and 29,491.56 is: 44,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,552.40 : 86,379.88 = 29,491.56 : x
  2. Step 2: Convert to fraction form
    57,552.40/86,379.88 = 29,491.56/x
  3. Step 3: Cross multiply
    57,552.40x = 86,379.88 × 29,491.56
  4. Step 4: Simplify right side
    57,552.40x = 2,547,477,413.81
  5. Step 5: Solve for x
    x = 2,547,477,413.81/57,552.40
  6. Step 6: Final answer
    x = 44,263.62

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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.