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Finding the Fourth Proportional to 7,060.34, 10,587.99 and 5,079.99

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Solution

The fourth proportional to 7,060.34, 10,587.99 and 5,079.99 is: 7,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.34 : 10,587.99 = 5,079.99 : x
  2. Step 2: Convert to fraction form
    7,060.34/10,587.99 = 5,079.99/x
  3. Step 3: Cross multiply
    7,060.34x = 10,587.99 × 5,079.99
  4. Step 4: Simplify right side
    7,060.34x = 53,786,883.32
  5. Step 5: Solve for x
    x = 53,786,883.32/7,060.34
  6. Step 6: Final answer
    x = 7,618.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.