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Finding the Fourth Proportional to 8,805,720.20, 13,187,585.10 and 8,805,720.20

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Solution

The fourth proportional to 8,805,720.20, 13,187,585.10 and 8,805,720.20 is: 13,187,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,720.20 : 13,187,585.10 = 8,805,720.20 : x
  2. Step 2: Convert to fraction form
    8,805,720.20/13,187,585.10 = 8,805,720.20/x
  3. Step 3: Cross multiply
    8,805,720.20x = 13,187,585.10 × 8,805,720.20
  4. Step 4: Simplify right side
    8,805,720.20x = 116,126,184,504,289
  5. Step 5: Solve for x
    x = 116,126,184,504,289/8,805,720.20
  6. Step 6: Final answer
    x = 13,187,585.10

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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.