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Finding the Fourth Proportional to 5,612.69, 7,741.95 and 4,016.18

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Solution

The fourth proportional to 5,612.69, 7,741.95 and 4,016.18 is: 5,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.69 : 7,741.95 = 4,016.18 : x
  2. Step 2: Convert to fraction form
    5,612.69/7,741.95 = 4,016.18/x
  3. Step 3: Cross multiply
    5,612.69x = 7,741.95 × 4,016.18
  4. Step 4: Simplify right side
    5,612.69x = 31,093,064.75
  5. Step 5: Solve for x
    x = 31,093,064.75/5,612.69
  6. Step 6: Final answer
    x = 5,539.78

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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.