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Finding the Fourth Proportional to 8,535.65, 12,803.47 and 3,337.88

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Solution

The fourth proportional to 8,535.65, 12,803.47 and 3,337.88 is: 5,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.65 : 12,803.47 = 3,337.88 : x
  2. Step 2: Convert to fraction form
    8,535.65/12,803.47 = 3,337.88/x
  3. Step 3: Cross multiply
    8,535.65x = 12,803.47 × 3,337.88
  4. Step 4: Simplify right side
    8,535.65x = 42,736,374.08
  5. Step 5: Solve for x
    x = 42,736,374.08/8,535.65
  6. Step 6: Final answer
    x = 5,006.81

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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.