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Finding the Fourth Proportional to 8,788,231.60, 13,156,542.60 and 6,554,273.20

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Solution

The fourth proportional to 8,788,231.60, 13,156,542.60 and 6,554,273.20 is: 9,812,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,231.60 : 13,156,542.60 = 6,554,273.20 : x
  2. Step 2: Convert to fraction form
    8,788,231.60/13,156,542.60 = 6,554,273.20/x
  3. Step 3: Cross multiply
    8,788,231.60x = 13,156,542.60 × 6,554,273.20
  4. Step 4: Simplify right side
    8,788,231.60x = 86,231,574,567,838.31
  5. Step 5: Solve for x
    x = 86,231,574,567,838.31/8,788,231.60
  6. Step 6: Final answer
    x = 9,812,164.55

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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.