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Finding the Fourth Proportional to 7,639.03, 10,541.82 and 4,654.24

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Solution

The fourth proportional to 7,639.03, 10,541.82 and 4,654.24 is: 6,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.03 : 10,541.82 = 4,654.24 : x
  2. Step 2: Convert to fraction form
    7,639.03/10,541.82 = 4,654.24/x
  3. Step 3: Cross multiply
    7,639.03x = 10,541.82 × 4,654.24
  4. Step 4: Simplify right side
    7,639.03x = 49,064,160.32
  5. Step 5: Solve for x
    x = 49,064,160.32/7,639.03
  6. Step 6: Final answer
    x = 6,422.83

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1.5x scale

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.