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Finding the Fourth Proportional to 7,502.73, 10,347.86 and 6,999.72

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Solution

The fourth proportional to 7,502.73, 10,347.86 and 6,999.72 is: 9,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.73 : 10,347.86 = 6,999.72 : x
  2. Step 2: Convert to fraction form
    7,502.73/10,347.86 = 6,999.72/x
  3. Step 3: Cross multiply
    7,502.73x = 10,347.86 × 6,999.72
  4. Step 4: Simplify right side
    7,502.73x = 72,432,087.60
  5. Step 5: Solve for x
    x = 72,432,087.60/7,502.73
  6. Step 6: Final answer
    x = 9,654.10

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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.