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Finding the Fourth Proportional to 18,159.69, 25,062.71 and 10,201.93

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Solution

The fourth proportional to 18,159.69, 25,062.71 and 10,201.93 is: 14,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.69 : 25,062.71 = 10,201.93 : x
  2. Step 2: Convert to fraction form
    18,159.69/25,062.71 = 10,201.93/x
  3. Step 3: Cross multiply
    18,159.69x = 25,062.71 × 10,201.93
  4. Step 4: Simplify right side
    18,159.69x = 255,687,887.72
  5. Step 5: Solve for x
    x = 255,687,887.72/18,159.69
  6. Step 6: Final answer
    x = 14,079.97

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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.