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Finding the Fourth Proportional to 5,920.85, 8,881.27 and 4,071.47

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Solution

The fourth proportional to 5,920.85, 8,881.27 and 4,071.47 is: 6,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.85 : 8,881.27 = 4,071.47 : x
  2. Step 2: Convert to fraction form
    5,920.85/8,881.27 = 4,071.47/x
  3. Step 3: Cross multiply
    5,920.85x = 8,881.27 × 4,071.47
  4. Step 4: Simplify right side
    5,920.85x = 36,159,781.23
  5. Step 5: Solve for x
    x = 36,159,781.23/5,920.85
  6. Step 6: Final answer
    x = 6,107.20

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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.