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Finding the Fourth Proportional to 8,569,814.70, 12,854,722.05 and 8,569,814.70

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Solution

The fourth proportional to 8,569,814.70, 12,854,722.05 and 8,569,814.70 is: 12,854,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569,814.70 : 12,854,722.05 = 8,569,814.70 : x
  2. Step 2: Convert to fraction form
    8,569,814.70/12,854,722.05 = 8,569,814.70/x
  3. Step 3: Cross multiply
    8,569,814.70x = 12,854,722.05 × 8,569,814.70
  4. Step 4: Simplify right side
    8,569,814.70x = 110,162,585,988,504.12
  5. Step 5: Solve for x
    x = 110,162,585,988,504.12/8,569,814.70
  6. Step 6: Final answer
    x = 12,854,722.05

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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.