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Finding the Fourth Proportional to 58,451.54, 87,687.64 and 19,001.71

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Solution

The fourth proportional to 58,451.54, 87,687.64 and 19,001.71 is: 28,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,451.54 : 87,687.64 = 19,001.71 : x
  2. Step 2: Convert to fraction form
    58,451.54/87,687.64 = 19,001.71/x
  3. Step 3: Cross multiply
    58,451.54x = 87,687.64 × 19,001.71
  4. Step 4: Simplify right side
    58,451.54x = 1,666,215,105.86
  5. Step 5: Solve for x
    x = 1,666,215,105.86/58,451.54
  6. Step 6: Final answer
    x = 28,505.92

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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.