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Finding the Fourth Proportional to 15,605,710.20, 23,408,565.30 and 15,605,710.20

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Solution

The fourth proportional to 15,605,710.20, 23,408,565.30 and 15,605,710.20 is: 23,408,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605,710.20 : 23,408,565.30 = 15,605,710.20 : x
  2. Step 2: Convert to fraction form
    15,605,710.20/23,408,565.30 = 15,605,710.20/x
  3. Step 3: Cross multiply
    15,605,710.20x = 23,408,565.30 × 15,605,710.20
  4. Step 4: Simplify right side
    15,605,710.20x = 365,307,286,269,576.06
  5. Step 5: Solve for x
    x = 365,307,286,269,576.06/15,605,710.20
  6. Step 6: Final answer
    x = 23,408,565.30

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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.