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Finding the Fourth Proportional to 5,079.92, 7,623.52 and 2,892.92

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Solution

The fourth proportional to 5,079.92, 7,623.52 and 2,892.92 is: 4,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.92 : 7,623.52 = 2,892.92 : x
  2. Step 2: Convert to fraction form
    5,079.92/7,623.52 = 2,892.92/x
  3. Step 3: Cross multiply
    5,079.92x = 7,623.52 × 2,892.92
  4. Step 4: Simplify right side
    5,079.92x = 22,054,188.13
  5. Step 5: Solve for x
    x = 22,054,188.13/5,079.92
  6. Step 6: Final answer
    x = 4,341.45

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1.5x scale

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.