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Finding the Fourth Proportional to 58,831.65, 88,247.07 and 19,391.94

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Solution

The fourth proportional to 58,831.65, 88,247.07 and 19,391.94 is: 29,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,831.65 : 88,247.07 = 19,391.94 : x
  2. Step 2: Convert to fraction form
    58,831.65/88,247.07 = 19,391.94/x
  3. Step 3: Cross multiply
    58,831.65x = 88,247.07 × 19,391.94
  4. Step 4: Simplify right side
    58,831.65x = 1,711,281,886.62
  5. Step 5: Solve for x
    x = 1,711,281,886.62/58,831.65
  6. Step 6: Final answer
    x = 29,087.78

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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.