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Finding the Fourth Proportional to 48,105.60, 72,244.80 and 34,972.80

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Solution

The fourth proportional to 48,105.60, 72,244.80 and 34,972.80 is: 52,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,105.60 : 72,244.80 = 34,972.80 : x
  2. Step 2: Convert to fraction form
    48,105.60/72,244.80 = 34,972.80/x
  3. Step 3: Cross multiply
    48,105.60x = 72,244.80 × 34,972.80
  4. Step 4: Simplify right side
    48,105.60x = 2,526,602,941.44
  5. Step 5: Solve for x
    x = 2,526,602,941.44/48,105.60
  6. Step 6: Final answer
    x = 52,522.01

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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.