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Finding the Fourth Proportional to 8,766,282.40, 13,154,132.40 and 4,278,558.40

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Solution

The fourth proportional to 8,766,282.40, 13,154,132.40 and 4,278,558.40 is: 6,420,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766,282.40 : 13,154,132.40 = 4,278,558.40 : x
  2. Step 2: Convert to fraction form
    8,766,282.40/13,154,132.40 = 4,278,558.40/x
  3. Step 3: Cross multiply
    8,766,282.40x = 13,154,132.40 × 4,278,558.40
  4. Step 4: Simplify right side
    8,766,282.40x = 56,280,723,674,732.16
  5. Step 5: Solve for x
    x = 56,280,723,674,732.16/8,766,282.40
  6. Step 6: Final answer
    x = 6,420,135.82

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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.