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Finding the Fourth Proportional to 5,916.11, 8,855.71 and 4,357.88

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Solution

The fourth proportional to 5,916.11, 8,855.71 and 4,357.88 is: 6,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.11 : 8,855.71 = 4,357.88 : x
  2. Step 2: Convert to fraction form
    5,916.11/8,855.71 = 4,357.88/x
  3. Step 3: Cross multiply
    5,916.11x = 8,855.71 × 4,357.88
  4. Step 4: Simplify right side
    5,916.11x = 38,592,066.32
  5. Step 5: Solve for x
    x = 38,592,066.32/5,916.11
  6. Step 6: Final answer
    x = 6,523.21

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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.