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Finding the Fourth Proportional to 17,309,411.70, 25,964,117.55 and 8,351,459.70

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Solution

The fourth proportional to 17,309,411.70, 25,964,117.55 and 8,351,459.70 is: 12,527,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309,411.70 : 25,964,117.55 = 8,351,459.70 : x
  2. Step 2: Convert to fraction form
    17,309,411.70/25,964,117.55 = 8,351,459.70/x
  3. Step 3: Cross multiply
    17,309,411.70x = 25,964,117.55 × 8,351,459.70
  4. Step 4: Simplify right side
    17,309,411.70x = 216,838,281,364,887.75
  5. Step 5: Solve for x
    x = 216,838,281,364,887.75/17,309,411.70
  6. Step 6: Final answer
    x = 12,527,189.55

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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.