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Finding the Fourth Proportional to 7,663.03, 10,576.13 and 4,680.58

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Solution

The fourth proportional to 7,663.03, 10,576.13 and 4,680.58 is: 6,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.03 : 10,576.13 = 4,680.58 : x
  2. Step 2: Convert to fraction form
    7,663.03/10,576.13 = 4,680.58/x
  3. Step 3: Cross multiply
    7,663.03x = 10,576.13 × 4,680.58
  4. Step 4: Simplify right side
    7,663.03x = 49,502,422.56
  5. Step 5: Solve for x
    x = 49,502,422.56/7,663.03
  6. Step 6: Final answer
    x = 6,459.90

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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.