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Finding the Fourth Proportional to 57,328.02, 85,992.03 and 25,720.74

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Solution

The fourth proportional to 57,328.02, 85,992.03 and 25,720.74 is: 38,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.02 : 85,992.03 = 25,720.74 : x
  2. Step 2: Convert to fraction form
    57,328.02/85,992.03 = 25,720.74/x
  3. Step 3: Cross multiply
    57,328.02x = 85,992.03 × 25,720.74
  4. Step 4: Simplify right side
    57,328.02x = 2,211,778,645.70
  5. Step 5: Solve for x
    x = 2,211,778,645.70/57,328.02
  6. Step 6: Final answer
    x = 38,581.11

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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.