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Finding the Fourth Proportional to 5,492.99, 7,592.78 and 5,057.04

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Solution

The fourth proportional to 5,492.99, 7,592.78 and 5,057.04 is: 6,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.99 : 7,592.78 = 5,057.04 : x
  2. Step 2: Convert to fraction form
    5,492.99/7,592.78 = 5,057.04/x
  3. Step 3: Cross multiply
    5,492.99x = 7,592.78 × 5,057.04
  4. Step 4: Simplify right side
    5,492.99x = 38,396,992.17
  5. Step 5: Solve for x
    x = 38,396,992.17/5,492.99
  6. Step 6: Final answer
    x = 6,990.18

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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.