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Finding the Fourth Proportional to 18,287, 25,237.14 and 10,329.02

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Solution

The fourth proportional to 18,287, 25,237.14 and 10,329.02 is: 14,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287 : 25,237.14 = 10,329.02 : x
  2. Step 2: Convert to fraction form
    18,287/25,237.14 = 10,329.02/x
  3. Step 3: Cross multiply
    18,287x = 25,237.14 × 10,329.02
  4. Step 4: Simplify right side
    18,287x = 260,674,923.80
  5. Step 5: Solve for x
    x = 260,674,923.80/18,287
  6. Step 6: Final answer
    x = 14,254.66

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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.