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Finding the Fourth Proportional to 8,271,002.10, 12,378,509.55 and 8,271,002.10

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Solution

The fourth proportional to 8,271,002.10, 12,378,509.55 and 8,271,002.10 is: 12,378,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,002.10 : 12,378,509.55 = 8,271,002.10 : x
  2. Step 2: Convert to fraction form
    8,271,002.10/12,378,509.55 = 8,271,002.10/x
  3. Step 3: Cross multiply
    8,271,002.10x = 12,378,509.55 × 8,271,002.10
  4. Step 4: Simplify right side
    8,271,002.10x = 102,382,678,482,920.06
  5. Step 5: Solve for x
    x = 102,382,678,482,920.06/8,271,002.10
  6. Step 6: Final answer
    x = 12,378,509.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.