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Finding the Fourth Proportional to 10,452.76, 15,675.98 and 4,210.76

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Solution

The fourth proportional to 10,452.76, 15,675.98 and 4,210.76 is: 6,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.76 : 15,675.98 = 4,210.76 : x
  2. Step 2: Convert to fraction form
    10,452.76/15,675.98 = 4,210.76/x
  3. Step 3: Cross multiply
    10,452.76x = 15,675.98 × 4,210.76
  4. Step 4: Simplify right side
    10,452.76x = 66,007,789.54
  5. Step 5: Solve for x
    x = 66,007,789.54/10,452.76
  6. Step 6: Final answer
    x = 6,314.87

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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.