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Finding the Fourth Proportional to 58,681.52, 80,979.95 and 33,192.87

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Solution

The fourth proportional to 58,681.52, 80,979.95 and 33,192.87 is: 45,805.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,681.52 : 80,979.95 = 33,192.87 : x
  2. Step 2: Convert to fraction form
    58,681.52/80,979.95 = 33,192.87/x
  3. Step 3: Cross multiply
    58,681.52x = 80,979.95 × 33,192.87
  4. Step 4: Simplify right side
    58,681.52x = 2,687,956,685.13
  5. Step 5: Solve for x
    x = 2,687,956,685.13/58,681.52
  6. Step 6: Final answer
    x = 45,805.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.