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Finding the Fourth Proportional to 58,187.04, 87,280.48 and 21,251.04

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Solution

The fourth proportional to 58,187.04, 87,280.48 and 21,251.04 is: 31,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,187.04 : 87,280.48 = 21,251.04 : x
  2. Step 2: Convert to fraction form
    58,187.04/87,280.48 = 21,251.04/x
  3. Step 3: Cross multiply
    58,187.04x = 87,280.48 × 21,251.04
  4. Step 4: Simplify right side
    58,187.04x = 1,854,800,971.70
  5. Step 5: Solve for x
    x = 1,854,800,971.70/58,187.04
  6. Step 6: Final answer
    x = 31,876.53

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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.