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Finding the Fourth Proportional to 7,812,837.04, 11,709,807.72 and 4,024,253.20

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Solution

The fourth proportional to 7,812,837.04, 11,709,807.72 and 4,024,253.20 is: 6,031,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,837.04 : 11,709,807.72 = 4,024,253.20 : x
  2. Step 2: Convert to fraction form
    7,812,837.04/11,709,807.72 = 4,024,253.20/x
  3. Step 3: Cross multiply
    7,812,837.04x = 11,709,807.72 × 4,024,253.20
  4. Step 4: Simplify right side
    7,812,837.04x = 47,123,231,188,594.71
  5. Step 5: Solve for x
    x = 47,123,231,188,594.71/7,812,837.04
  6. Step 6: Final answer
    x = 6,031,513.39

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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.