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Finding the Fourth Proportional to 18,433, 25,437.54 and 10,049.56

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Solution

The fourth proportional to 18,433, 25,437.54 and 10,049.56 is: 13,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433 : 25,437.54 = 10,049.56 : x
  2. Step 2: Convert to fraction form
    18,433/25,437.54 = 10,049.56/x
  3. Step 3: Cross multiply
    18,433x = 25,437.54 × 10,049.56
  4. Step 4: Simplify right side
    18,433x = 255,636,084.48
  5. Step 5: Solve for x
    x = 255,636,084.48/18,433
  6. Step 6: Final answer
    x = 13,868.39

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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.