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Finding the Fourth Proportional to 57,552.24, 86,328.24 and 18,112.80

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Solution

The fourth proportional to 57,552.24, 86,328.24 and 18,112.80 is: 27,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,552.24 : 86,328.24 = 18,112.80 : x
  2. Step 2: Convert to fraction form
    57,552.24/86,328.24 = 18,112.80/x
  3. Step 3: Cross multiply
    57,552.24x = 86,328.24 × 18,112.80
  4. Step 4: Simplify right side
    57,552.24x = 1,563,646,145.47
  5. Step 5: Solve for x
    x = 1,563,646,145.47/57,552.24
  6. Step 6: Final answer
    x = 27,169.16

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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.