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Finding the Fourth Proportional to 18,530.57, 25,572.01 and 10,032.47

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Solution

The fourth proportional to 18,530.57, 25,572.01 and 10,032.47 is: 13,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.57 : 25,572.01 = 10,032.47 : x
  2. Step 2: Convert to fraction form
    18,530.57/25,572.01 = 10,032.47/x
  3. Step 3: Cross multiply
    18,530.57x = 25,572.01 × 10,032.47
  4. Step 4: Simplify right side
    18,530.57x = 256,550,245.14
  5. Step 5: Solve for x
    x = 256,550,245.14/18,530.57
  6. Step 6: Final answer
    x = 13,844.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.