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Finding the Fourth Proportional to 6,966.03, 9,615.80 and 4,728.91

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Solution

The fourth proportional to 6,966.03, 9,615.80 and 4,728.91 is: 6,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.03 : 9,615.80 = 4,728.91 : x
  2. Step 2: Convert to fraction form
    6,966.03/9,615.80 = 4,728.91/x
  3. Step 3: Cross multiply
    6,966.03x = 9,615.80 × 4,728.91
  4. Step 4: Simplify right side
    6,966.03x = 45,472,252.78
  5. Step 5: Solve for x
    x = 45,472,252.78/6,966.03
  6. Step 6: Final answer
    x = 6,527.71

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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.