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Finding the Fourth Proportional to 7,615.38, 10,504.03 and 4,966.38

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Solution

The fourth proportional to 7,615.38, 10,504.03 and 4,966.38 is: 6,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.38 : 10,504.03 = 4,966.38 : x
  2. Step 2: Convert to fraction form
    7,615.38/10,504.03 = 4,966.38/x
  3. Step 3: Cross multiply
    7,615.38x = 10,504.03 × 4,966.38
  4. Step 4: Simplify right side
    7,615.38x = 52,167,001.41
  5. Step 5: Solve for x
    x = 52,167,001.41/7,615.38
  6. Step 6: Final answer
    x = 6,850.21

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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.