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Finding the Fourth Proportional to 8,697.91, 13,047.57 and 2,457.97

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Solution

The fourth proportional to 8,697.91, 13,047.57 and 2,457.97 is: 3,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.91 : 13,047.57 = 2,457.97 : x
  2. Step 2: Convert to fraction form
    8,697.91/13,047.57 = 2,457.97/x
  3. Step 3: Cross multiply
    8,697.91x = 13,047.57 × 2,457.97
  4. Step 4: Simplify right side
    8,697.91x = 32,070,542.72
  5. Step 5: Solve for x
    x = 32,070,542.72/8,697.91
  6. Step 6: Final answer
    x = 3,687.16

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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.