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Finding the Fourth Proportional to 8,948,107.52, 12,348,696.48 and 5,080,500.80

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Solution

The fourth proportional to 8,948,107.52, 12,348,696.48 and 5,080,500.80 is: 7,011,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948,107.52 : 12,348,696.48 = 5,080,500.80 : x
  2. Step 2: Convert to fraction form
    8,948,107.52/12,348,696.48 = 5,080,500.80/x
  3. Step 3: Cross multiply
    8,948,107.52x = 12,348,696.48 × 5,080,500.80
  4. Step 4: Simplify right side
    8,948,107.52x = 62,737,562,345,597.19
  5. Step 5: Solve for x
    x = 62,737,562,345,597.19/8,948,107.52
  6. Step 6: Final answer
    x = 7,011,266.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.