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Finding the Fourth Proportional to 5,771.93, 7,998.71 and 5,661.18

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Solution

The fourth proportional to 5,771.93, 7,998.71 and 5,661.18 is: 7,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.93 : 7,998.71 = 5,661.18 : x
  2. Step 2: Convert to fraction form
    5,771.93/7,998.71 = 5,661.18/x
  3. Step 3: Cross multiply
    5,771.93x = 7,998.71 × 5,661.18
  4. Step 4: Simplify right side
    5,771.93x = 45,282,108.77
  5. Step 5: Solve for x
    x = 45,282,108.77/5,771.93
  6. Step 6: Final answer
    x = 7,845.24

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Half scale
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Double scale
Find fourth proportional to 5,772.93, 8,000.09 and 5,662.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.