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Finding the Fourth Proportional to 58,386.80, 87,584.52 and 18,950.24

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Solution

The fourth proportional to 58,386.80, 87,584.52 and 18,950.24 is: 28,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,386.80 : 87,584.52 = 18,950.24 : x
  2. Step 2: Convert to fraction form
    58,386.80/87,584.52 = 18,950.24/x
  3. Step 3: Cross multiply
    58,386.80x = 87,584.52 × 18,950.24
  4. Step 4: Simplify right side
    58,386.80x = 1,659,747,674.28
  5. Step 5: Solve for x
    x = 1,659,747,674.28/58,386.80
  6. Step 6: Final answer
    x = 28,426.76

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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.