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Finding the Fourth Proportional to 32,963.64, 49,451.68 and 13,243.76

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Solution

The fourth proportional to 32,963.64, 49,451.68 and 13,243.76 is: 19,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,963.64 : 49,451.68 = 13,243.76 : x
  2. Step 2: Convert to fraction form
    32,963.64/49,451.68 = 13,243.76/x
  3. Step 3: Cross multiply
    32,963.64x = 49,451.68 × 13,243.76
  4. Step 4: Simplify right side
    32,963.64x = 654,926,181.52
  5. Step 5: Solve for x
    x = 654,926,181.52/32,963.64
  6. Step 6: Final answer
    x = 19,868.14

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1.5x scale

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.