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Finding the Fourth Proportional to 18,595.88, 27,888.06 and 6,281

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Solution

The fourth proportional to 18,595.88, 27,888.06 and 6,281 is: 9,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.88 : 27,888.06 = 6,281 : x
  2. Step 2: Convert to fraction form
    18,595.88/27,888.06 = 6,281/x
  3. Step 3: Cross multiply
    18,595.88x = 27,888.06 × 6,281
  4. Step 4: Simplify right side
    18,595.88x = 175,164,904.86
  5. Step 5: Solve for x
    x = 175,164,904.86/18,595.88
  6. Step 6: Final answer
    x = 9,419.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.