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Finding the Fourth Proportional to 8,841.42, 13,242.93 and 5,381.58

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Solution

The fourth proportional to 8,841.42, 13,242.93 and 5,381.58 is: 8,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.42 : 13,242.93 = 5,381.58 : x
  2. Step 2: Convert to fraction form
    8,841.42/13,242.93 = 5,381.58/x
  3. Step 3: Cross multiply
    8,841.42x = 13,242.93 × 5,381.58
  4. Step 4: Simplify right side
    8,841.42x = 71,267,887.23
  5. Step 5: Solve for x
    x = 71,267,887.23/8,841.42
  6. Step 6: Final answer
    x = 8,060.68

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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.