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Finding the Fourth Proportional to 7,254.50, 10,012.02 and 4,460

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Solution

The fourth proportional to 7,254.50, 10,012.02 and 4,460 is: 6,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.50 : 10,012.02 = 4,460 : x
  2. Step 2: Convert to fraction form
    7,254.50/10,012.02 = 4,460/x
  3. Step 3: Cross multiply
    7,254.50x = 10,012.02 × 4,460
  4. Step 4: Simplify right side
    7,254.50x = 44,653,609.20
  5. Step 5: Solve for x
    x = 44,653,609.20/7,254.50
  6. Step 6: Final answer
    x = 6,155.30

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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.