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Finding the Fourth Proportional to 7,290.62, 10,060.09 and 4,104.08

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Solution

The fourth proportional to 7,290.62, 10,060.09 and 4,104.08 is: 5,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.62 : 10,060.09 = 4,104.08 : x
  2. Step 2: Convert to fraction form
    7,290.62/10,060.09 = 4,104.08/x
  3. Step 3: Cross multiply
    7,290.62x = 10,060.09 × 4,104.08
  4. Step 4: Simplify right side
    7,290.62x = 41,287,353.61
  5. Step 5: Solve for x
    x = 41,287,353.61/7,290.62
  6. Step 6: Final answer
    x = 5,663.08

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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.