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Finding the Fourth Proportional to 32,979.84, 49,476.68 and 10,791.48

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Solution

The fourth proportional to 32,979.84, 49,476.68 and 10,791.48 is: 16,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.84 : 49,476.68 = 10,791.48 : x
  2. Step 2: Convert to fraction form
    32,979.84/49,476.68 = 10,791.48/x
  3. Step 3: Cross multiply
    32,979.84x = 49,476.68 × 10,791.48
  4. Step 4: Simplify right side
    32,979.84x = 533,926,602.69
  5. Step 5: Solve for x
    x = 533,926,602.69/32,979.84
  6. Step 6: Final answer
    x = 16,189.48

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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.