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Finding the Fourth Proportional to 32,703.36, 49,049.04 and 8,687.76

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Solution

The fourth proportional to 32,703.36, 49,049.04 and 8,687.76 is: 13,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,703.36 : 49,049.04 = 8,687.76 : x
  2. Step 2: Convert to fraction form
    32,703.36/49,049.04 = 8,687.76/x
  3. Step 3: Cross multiply
    32,703.36x = 49,049.04 × 8,687.76
  4. Step 4: Simplify right side
    32,703.36x = 426,126,287.75
  5. Step 5: Solve for x
    x = 426,126,287.75/32,703.36
  6. Step 6: Final answer
    x = 13,030.05

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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.