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Finding the Fourth Proportional to 8,852.76, 13,279.17 and 3,587.85

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Solution

The fourth proportional to 8,852.76, 13,279.17 and 3,587.85 is: 5,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.76 : 13,279.17 = 3,587.85 : x
  2. Step 2: Convert to fraction form
    8,852.76/13,279.17 = 3,587.85/x
  3. Step 3: Cross multiply
    8,852.76x = 13,279.17 × 3,587.85
  4. Step 4: Simplify right side
    8,852.76x = 47,643,670.08
  5. Step 5: Solve for x
    x = 47,643,670.08/8,852.76
  6. Step 6: Final answer
    x = 5,381.79

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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.