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Finding the Fourth Proportional to 57,400.65, 86,100.98 and 17,958.11

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Solution

The fourth proportional to 57,400.65, 86,100.98 and 17,958.11 is: 26,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400.65 : 86,100.98 = 17,958.11 : x
  2. Step 2: Convert to fraction form
    57,400.65/86,100.98 = 17,958.11/x
  3. Step 3: Cross multiply
    57,400.65x = 86,100.98 × 17,958.11
  4. Step 4: Simplify right side
    57,400.65x = 1,546,210,349.65
  5. Step 5: Solve for x
    x = 1,546,210,349.65/57,400.65
  6. Step 6: Final answer
    x = 26,937.16

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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.