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Finding the Fourth Proportional to 56,554.40, 84,831.60 and 34,411.20

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Solution

The fourth proportional to 56,554.40, 84,831.60 and 34,411.20 is: 51,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,554.40 : 84,831.60 = 34,411.20 : x
  2. Step 2: Convert to fraction form
    56,554.40/84,831.60 = 34,411.20/x
  3. Step 3: Cross multiply
    56,554.40x = 84,831.60 × 34,411.20
  4. Step 4: Simplify right side
    56,554.40x = 2,919,157,153.92
  5. Step 5: Solve for x
    x = 2,919,157,153.92/56,554.40
  6. Step 6: Final answer
    x = 51,616.80

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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.