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Finding the Fourth Proportional to 7,587,952.20, 10,647,047.93 and 7,587,952.20

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Solution

The fourth proportional to 7,587,952.20, 10,647,047.93 and 7,587,952.20 is: 10,647,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587,952.20 : 10,647,047.93 = 7,587,952.20 : x
  2. Step 2: Convert to fraction form
    7,587,952.20/10,647,047.93 = 7,587,952.20/x
  3. Step 3: Cross multiply
    7,587,952.20x = 10,647,047.93 × 7,587,952.20
  4. Step 4: Simplify right side
    7,587,952.20x = 80,789,290,763,948.95
  5. Step 5: Solve for x
    x = 80,789,290,763,948.95/7,587,952.20
  6. Step 6: Final answer
    x = 10,647,047.93

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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.