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Finding the Fourth Proportional to 5,670.57, 8,506.03 and 4,691.03

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Solution

The fourth proportional to 5,670.57, 8,506.03 and 4,691.03 is: 7,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.57 : 8,506.03 = 4,691.03 : x
  2. Step 2: Convert to fraction form
    5,670.57/8,506.03 = 4,691.03/x
  3. Step 3: Cross multiply
    5,670.57x = 8,506.03 × 4,691.03
  4. Step 4: Simplify right side
    5,670.57x = 39,902,041.91
  5. Step 5: Solve for x
    x = 39,902,041.91/5,670.57
  6. Step 6: Final answer
    x = 7,036.69

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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.