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Finding the Fourth Proportional to 8,674.92, 13,012.35 and 2,101.10

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Solution

The fourth proportional to 8,674.92, 13,012.35 and 2,101.10 is: 3,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.92 : 13,012.35 = 2,101.10 : x
  2. Step 2: Convert to fraction form
    8,674.92/13,012.35 = 2,101.10/x
  3. Step 3: Cross multiply
    8,674.92x = 13,012.35 × 2,101.10
  4. Step 4: Simplify right side
    8,674.92x = 27,340,248.59
  5. Step 5: Solve for x
    x = 27,340,248.59/8,674.92
  6. Step 6: Final answer
    x = 3,151.64

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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.