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Finding the Fourth Proportional to 58,388.80, 87,587.52 and 18,952.24

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Solution

The fourth proportional to 58,388.80, 87,587.52 and 18,952.24 is: 28,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,388.80 : 87,587.52 = 18,952.24 : x
  2. Step 2: Convert to fraction form
    58,388.80/87,587.52 = 18,952.24/x
  3. Step 3: Cross multiply
    58,388.80x = 87,587.52 × 18,952.24
  4. Step 4: Simplify right side
    58,388.80x = 1,659,979,700.04
  5. Step 5: Solve for x
    x = 1,659,979,700.04/58,388.80
  6. Step 6: Final answer
    x = 28,429.76

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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.