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Finding the Fourth Proportional to 9,841,727.60, 14,762,591.40 and 8,959,929.20

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Solution

The fourth proportional to 9,841,727.60, 14,762,591.40 and 8,959,929.20 is: 13,439,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841,727.60 : 14,762,591.40 = 8,959,929.20 : x
  2. Step 2: Convert to fraction form
    9,841,727.60/14,762,591.40 = 8,959,929.20/x
  3. Step 3: Cross multiply
    9,841,727.60x = 14,762,591.40 × 8,959,929.20
  4. Step 4: Simplify right side
    9,841,727.60x = 132,271,773,752,528.88
  5. Step 5: Solve for x
    x = 132,271,773,752,528.88/9,841,727.60
  6. Step 6: Final answer
    x = 13,439,893.80

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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.