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Finding the Fourth Proportional to 57,253.08, 85,879.62 and 17,812.68

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Solution

The fourth proportional to 57,253.08, 85,879.62 and 17,812.68 is: 26,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.08 : 85,879.62 = 17,812.68 : x
  2. Step 2: Convert to fraction form
    57,253.08/85,879.62 = 17,812.68/x
  3. Step 3: Cross multiply
    57,253.08x = 85,879.62 × 17,812.68
  4. Step 4: Simplify right side
    57,253.08x = 1,529,746,189.58
  5. Step 5: Solve for x
    x = 1,529,746,189.58/57,253.08
  6. Step 6: Final answer
    x = 26,719.02

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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.