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Finding the Fourth Proportional to 58,641.86, 88,009.23 and 30,569.96

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Solution

The fourth proportional to 58,641.86, 88,009.23 and 30,569.96 is: 45,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,641.86 : 88,009.23 = 30,569.96 : x
  2. Step 2: Convert to fraction form
    58,641.86/88,009.23 = 30,569.96/x
  3. Step 3: Cross multiply
    58,641.86x = 88,009.23 × 30,569.96
  4. Step 4: Simplify right side
    58,641.86x = 2,690,438,640.73
  5. Step 5: Solve for x
    x = 2,690,438,640.73/58,641.86
  6. Step 6: Final answer
    x = 45,879.15

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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.