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Finding the Fourth Proportional to 7,344,866.70, 10,293,442.20 and 7,344,866.70

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Solution

The fourth proportional to 7,344,866.70, 10,293,442.20 and 7,344,866.70 is: 10,293,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344,866.70 : 10,293,442.20 = 7,344,866.70 : x
  2. Step 2: Convert to fraction form
    7,344,866.70/10,293,442.20 = 7,344,866.70/x
  3. Step 3: Cross multiply
    7,344,866.70x = 10,293,442.20 × 7,344,866.70
  4. Step 4: Simplify right side
    7,344,866.70x = 75,603,960,843,154.73
  5. Step 5: Solve for x
    x = 75,603,960,843,154.73/7,344,866.70
  6. Step 6: Final answer
    x = 10,293,442.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.