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Finding the Fourth Proportional to 9,719.10, 14,578.65 and 4,454.10

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Solution

The fourth proportional to 9,719.10, 14,578.65 and 4,454.10 is: 6,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.10 : 14,578.65 = 4,454.10 : x
  2. Step 2: Convert to fraction form
    9,719.10/14,578.65 = 4,454.10/x
  3. Step 3: Cross multiply
    9,719.10x = 14,578.65 × 4,454.10
  4. Step 4: Simplify right side
    9,719.10x = 64,934,764.97
  5. Step 5: Solve for x
    x = 64,934,764.97/9,719.10
  6. Step 6: Final answer
    x = 6,681.15

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Similar ratio
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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.