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Finding the Fourth Proportional to 9,793,867.70, 14,690,801.55 and 8,702,117.30

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Solution

The fourth proportional to 9,793,867.70, 14,690,801.55 and 8,702,117.30 is: 13,053,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793,867.70 : 14,690,801.55 = 8,702,117.30 : x
  2. Step 2: Convert to fraction form
    9,793,867.70/14,690,801.55 = 8,702,117.30/x
  3. Step 3: Cross multiply
    9,793,867.70x = 14,690,801.55 × 8,702,117.30
  4. Step 4: Simplify right side
    9,793,867.70x = 127,841,078,319,121.83
  5. Step 5: Solve for x
    x = 127,841,078,319,121.83/9,793,867.70
  6. Step 6: Final answer
    x = 13,053,175.95

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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.