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Finding the Fourth Proportional to 4,011.66, 5,990.84 and 3,968.22

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Solution

The fourth proportional to 4,011.66, 5,990.84 and 3,968.22 is: 5,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.66 : 5,990.84 = 3,968.22 : x
  2. Step 2: Convert to fraction form
    4,011.66/5,990.84 = 3,968.22/x
  3. Step 3: Cross multiply
    4,011.66x = 5,990.84 × 3,968.22
  4. Step 4: Simplify right side
    4,011.66x = 23,772,951.26
  5. Step 5: Solve for x
    x = 23,772,951.26/4,011.66
  6. Step 6: Final answer
    x = 5,925.96

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Half scale
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Double scale
Find fourth proportional to 4,012.66, 5,992.33 and 3,969.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.