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Finding the Fourth Proportional to 18,437, 25,443.06 and 10,053.56

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Solution

The fourth proportional to 18,437, 25,443.06 and 10,053.56 is: 13,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437 : 25,443.06 = 10,053.56 : x
  2. Step 2: Convert to fraction form
    18,437/25,443.06 = 10,053.56/x
  3. Step 3: Cross multiply
    18,437x = 25,443.06 × 10,053.56
  4. Step 4: Simplify right side
    18,437x = 255,793,330.29
  5. Step 5: Solve for x
    x = 255,793,330.29/18,437
  6. Step 6: Final answer
    x = 13,873.91

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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.