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Finding the Fourth Proportional to 8,482,772.40, 12,724,158.60 and 8,482,772.40

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Solution

The fourth proportional to 8,482,772.40, 12,724,158.60 and 8,482,772.40 is: 12,724,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482,772.40 : 12,724,158.60 = 8,482,772.40 : x
  2. Step 2: Convert to fraction form
    8,482,772.40/12,724,158.60 = 8,482,772.40/x
  3. Step 3: Cross multiply
    8,482,772.40x = 12,724,158.60 × 8,482,772.40
  4. Step 4: Simplify right side
    8,482,772.40x = 107,936,141,385,302.64
  5. Step 5: Solve for x
    x = 107,936,141,385,302.64/8,482,772.40
  6. Step 6: Final answer
    x = 12,724,158.60

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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.