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Finding the Fourth Proportional to 9,858,478.40, 14,762,834.40 and 6,474,363.20

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Solution

The fourth proportional to 9,858,478.40, 14,762,834.40 and 6,474,363.20 is: 9,695,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858,478.40 : 14,762,834.40 = 6,474,363.20 : x
  2. Step 2: Convert to fraction form
    9,858,478.40/14,762,834.40 = 6,474,363.20/x
  3. Step 3: Cross multiply
    9,858,478.40x = 14,762,834.40 × 6,474,363.20
  4. Step 4: Simplify right side
    9,858,478.40x = 95,579,951,767,054.08
  5. Step 5: Solve for x
    x = 95,579,951,767,054.08/9,858,478.40
  6. Step 6: Final answer
    x = 9,695,203.24

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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.