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Finding the Fourth Proportional to 58,259.80, 87,216.90 and 38,560.60

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Solution

The fourth proportional to 58,259.80, 87,216.90 and 38,560.60 is: 57,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,259.80 : 87,216.90 = 38,560.60 : x
  2. Step 2: Convert to fraction form
    58,259.80/87,216.90 = 38,560.60/x
  3. Step 3: Cross multiply
    58,259.80x = 87,216.90 × 38,560.60
  4. Step 4: Simplify right side
    58,259.80x = 3,363,135,994.14
  5. Step 5: Solve for x
    x = 3,363,135,994.14/58,259.80
  6. Step 6: Final answer
    x = 57,726.53

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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.