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Finding the Fourth Proportional to 7,577,982.90, 11,366,974.35 and 7,577,982.90

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Solution

The fourth proportional to 7,577,982.90, 11,366,974.35 and 7,577,982.90 is: 11,366,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577,982.90 : 11,366,974.35 = 7,577,982.90 : x
  2. Step 2: Convert to fraction form
    7,577,982.90/11,366,974.35 = 7,577,982.90/x
  3. Step 3: Cross multiply
    7,577,982.90x = 11,366,974.35 × 7,577,982.90
  4. Step 4: Simplify right side
    7,577,982.90x = 86,138,737,249,038.61
  5. Step 5: Solve for x
    x = 86,138,737,249,038.61/7,577,982.90
  6. Step 6: Final answer
    x = 11,366,974.35

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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.