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Finding the Fourth Proportional to 8,673.76, 12,998.98 and 4,505.10

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Solution

The fourth proportional to 8,673.76, 12,998.98 and 4,505.10 is: 6,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.76 : 12,998.98 = 4,505.10 : x
  2. Step 2: Convert to fraction form
    8,673.76/12,998.98 = 4,505.10/x
  3. Step 3: Cross multiply
    8,673.76x = 12,998.98 × 4,505.10
  4. Step 4: Simplify right side
    8,673.76x = 58,561,704.80
  5. Step 5: Solve for x
    x = 58,561,704.80/8,673.76
  6. Step 6: Final answer
    x = 6,751.59

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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.