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Finding the Fourth Proportional to 34,795.60, 52,116.60 and 14,008.40

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Solution

The fourth proportional to 34,795.60, 52,116.60 and 14,008.40 is: 20,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,795.60 : 52,116.60 = 14,008.40 : x
  2. Step 2: Convert to fraction form
    34,795.60/52,116.60 = 14,008.40/x
  3. Step 3: Cross multiply
    34,795.60x = 52,116.60 × 14,008.40
  4. Step 4: Simplify right side
    34,795.60x = 730,070,179.44
  5. Step 5: Solve for x
    x = 730,070,179.44/34,795.60
  6. Step 6: Final answer
    x = 20,981.68

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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.