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Finding the Fourth Proportional to 58,171.80, 87,257.70 and 16,618.80

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Solution

The fourth proportional to 58,171.80, 87,257.70 and 16,618.80 is: 24,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,171.80 : 87,257.70 = 16,618.80 : x
  2. Step 2: Convert to fraction form
    58,171.80/87,257.70 = 16,618.80/x
  3. Step 3: Cross multiply
    58,171.80x = 87,257.70 × 16,618.80
  4. Step 4: Simplify right side
    58,171.80x = 1,450,118,264.76
  5. Step 5: Solve for x
    x = 1,450,118,264.76/58,171.80
  6. Step 6: Final answer
    x = 24,928.20

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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.