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Finding the Fourth Proportional to 8,387,594.70, 12,563,677.35 and 8,387,594.70

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Solution

The fourth proportional to 8,387,594.70, 12,563,677.35 and 8,387,594.70 is: 12,563,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,594.70 : 12,563,677.35 = 8,387,594.70 : x
  2. Step 2: Convert to fraction form
    8,387,594.70/12,563,677.35 = 8,387,594.70/x
  3. Step 3: Cross multiply
    8,387,594.70x = 12,563,677.35 × 8,387,594.70
  4. Step 4: Simplify right side
    8,387,594.70x = 105,379,033,553,370.05
  5. Step 5: Solve for x
    x = 105,379,033,553,370.05/8,387,594.70
  6. Step 6: Final answer
    x = 12,563,677.35

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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.