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Finding the Fourth Proportional to 5,695.77, 8,549.80 and 4,781.33

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Solution

The fourth proportional to 5,695.77, 8,549.80 and 4,781.33 is: 7,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.77 : 8,549.80 = 4,781.33 : x
  2. Step 2: Convert to fraction form
    5,695.77/8,549.80 = 4,781.33/x
  3. Step 3: Cross multiply
    5,695.77x = 8,549.80 × 4,781.33
  4. Step 4: Simplify right side
    5,695.77x = 40,879,419.49
  5. Step 5: Solve for x
    x = 40,879,419.49/5,695.77
  6. Step 6: Final answer
    x = 7,177.16

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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.