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Finding the Fourth Proportional to 5,661.66, 7,805.25 and 4,713.96

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Solution

The fourth proportional to 5,661.66, 7,805.25 and 4,713.96 is: 6,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.66 : 7,805.25 = 4,713.96 : x
  2. Step 2: Convert to fraction form
    5,661.66/7,805.25 = 4,713.96/x
  3. Step 3: Cross multiply
    5,661.66x = 7,805.25 × 4,713.96
  4. Step 4: Simplify right side
    5,661.66x = 36,793,636.29
  5. Step 5: Solve for x
    x = 36,793,636.29/5,661.66
  6. Step 6: Final answer
    x = 6,498.74

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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.