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Finding the Fourth Proportional to 10,654,281.60, 15,963,051.60 and 4,962,832.80

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Solution

The fourth proportional to 10,654,281.60, 15,963,051.60 and 4,962,832.80 is: 7,435,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654,281.60 : 15,963,051.60 = 4,962,832.80 : x
  2. Step 2: Convert to fraction form
    10,654,281.60/15,963,051.60 = 4,962,832.80/x
  3. Step 3: Cross multiply
    10,654,281.60x = 15,963,051.60 × 4,962,832.80
  4. Step 4: Simplify right side
    10,654,281.60x = 79,221,956,068,572.47
  5. Step 5: Solve for x
    x = 79,221,956,068,572.47/10,654,281.60
  6. Step 6: Final answer
    x = 7,435,691.96

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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.