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Finding the Fourth Proportional to 8,793,842.60, 13,193,874.30 and 8,482,802.60

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Solution

The fourth proportional to 8,793,842.60, 13,193,874.30 and 8,482,802.60 is: 12,727,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793,842.60 : 13,193,874.30 = 8,482,802.60 : x
  2. Step 2: Convert to fraction form
    8,793,842.60/13,193,874.30 = 8,482,802.60/x
  3. Step 3: Cross multiply
    8,793,842.60x = 13,193,874.30 × 8,482,802.60
  4. Step 4: Simplify right side
    8,793,842.60x = 111,921,031,216,113.19
  5. Step 5: Solve for x
    x = 111,921,031,216,113.19/8,793,842.60
  6. Step 6: Final answer
    x = 12,727,204.28

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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.