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Finding the Fourth Proportional to 59,292.84, 88,974.36 and 21,879.21

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Solution

The fourth proportional to 59,292.84, 88,974.36 and 21,879.21 is: 32,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,292.84 : 88,974.36 = 21,879.21 : x
  2. Step 2: Convert to fraction form
    59,292.84/88,974.36 = 21,879.21/x
  3. Step 3: Cross multiply
    59,292.84x = 88,974.36 × 21,879.21
  4. Step 4: Simplify right side
    59,292.84x = 1,946,688,707.06
  5. Step 5: Solve for x
    x = 1,946,688,707.06/59,292.84
  6. Step 6: Final answer
    x = 32,831.77

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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.