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Finding the Fourth Proportional to 58,633.47, 87,963.87 and 19,188.19

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Solution

The fourth proportional to 58,633.47, 87,963.87 and 19,188.19 is: 28,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,633.47 : 87,963.87 = 19,188.19 : x
  2. Step 2: Convert to fraction form
    58,633.47/87,963.87 = 19,188.19/x
  3. Step 3: Cross multiply
    58,633.47x = 87,963.87 × 19,188.19
  4. Step 4: Simplify right side
    58,633.47x = 1,687,867,632.61
  5. Step 5: Solve for x
    x = 1,687,867,632.61/58,633.47
  6. Step 6: Final answer
    x = 28,786.76

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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.