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Finding the Fourth Proportional to 58,274.92, 87,412.38 and 38,548.86

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Solution

The fourth proportional to 58,274.92, 87,412.38 and 38,548.86 is: 57,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,274.92 : 87,412.38 = 38,548.86 : x
  2. Step 2: Convert to fraction form
    58,274.92/87,412.38 = 38,548.86/x
  3. Step 3: Cross multiply
    58,274.92x = 87,412.38 × 38,548.86
  4. Step 4: Simplify right side
    58,274.92x = 3,369,647,782.12
  5. Step 5: Solve for x
    x = 3,369,647,782.12/58,274.92
  6. Step 6: Final answer
    x = 57,823.30

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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.