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Finding the Fourth Proportional to 5,885.12, 8,124.96 and 3,528

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Solution

The fourth proportional to 5,885.12, 8,124.96 and 3,528 is: 4,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.12 : 8,124.96 = 3,528 : x
  2. Step 2: Convert to fraction form
    5,885.12/8,124.96 = 3,528/x
  3. Step 3: Cross multiply
    5,885.12x = 8,124.96 × 3,528
  4. Step 4: Simplify right side
    5,885.12x = 28,664,858.88
  5. Step 5: Solve for x
    x = 28,664,858.88/5,885.12
  6. Step 6: Final answer
    x = 4,870.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.