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Finding the Fourth Proportional to 16,578.78, 24,868.24 and 6,718.25

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Solution

The fourth proportional to 16,578.78, 24,868.24 and 6,718.25 is: 10,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.78 : 24,868.24 = 6,718.25 : x
  2. Step 2: Convert to fraction form
    16,578.78/24,868.24 = 6,718.25/x
  3. Step 3: Cross multiply
    16,578.78x = 24,868.24 × 6,718.25
  4. Step 4: Simplify right side
    16,578.78x = 167,071,053.38
  5. Step 5: Solve for x
    x = 167,071,053.38/16,578.78
  6. Step 6: Final answer
    x = 10,077.40

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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.