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Finding the Fourth Proportional to 16,554.78, 24,818.15 and 7,187.74

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Solution

The fourth proportional to 16,554.78, 24,818.15 and 7,187.74 is: 10,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,554.78 : 24,818.15 = 7,187.74 : x
  2. Step 2: Convert to fraction form
    16,554.78/24,818.15 = 7,187.74/x
  3. Step 3: Cross multiply
    16,554.78x = 24,818.15 × 7,187.74
  4. Step 4: Simplify right side
    16,554.78x = 178,386,324.97
  5. Step 5: Solve for x
    x = 178,386,324.97/16,554.78
  6. Step 6: Final answer
    x = 10,775.52

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1.5x scale

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.