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Finding the Fourth Proportional to 8,857.91, 13,287.11 and 3,595.41

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Solution

The fourth proportional to 8,857.91, 13,287.11 and 3,595.41 is: 5,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.91 : 13,287.11 = 3,595.41 : x
  2. Step 2: Convert to fraction form
    8,857.91/13,287.11 = 3,595.41/x
  3. Step 3: Cross multiply
    8,857.91x = 13,287.11 × 3,595.41
  4. Step 4: Simplify right side
    8,857.91x = 47,772,590.19
  5. Step 5: Solve for x
    x = 47,772,590.19/8,857.91
  6. Step 6: Final answer
    x = 5,393.21

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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.