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Finding the Fourth Proportional to 57,211.92, 85,823.66 and 15,094.92

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Solution

The fourth proportional to 57,211.92, 85,823.66 and 15,094.92 is: 22,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,211.92 : 85,823.66 = 15,094.92 : x
  2. Step 2: Convert to fraction form
    57,211.92/85,823.66 = 15,094.92/x
  3. Step 3: Cross multiply
    57,211.92x = 85,823.66 × 15,094.92
  4. Step 4: Simplify right side
    57,211.92x = 1,295,501,206.33
  5. Step 5: Solve for x
    x = 1,295,501,206.33/57,211.92
  6. Step 6: Final answer
    x = 22,643.90

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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.