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Finding the Fourth Proportional to 6,925.92, 10,388.88 and 1,860.18

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Solution

The fourth proportional to 6,925.92, 10,388.88 and 1,860.18 is: 2,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.92 : 10,388.88 = 1,860.18 : x
  2. Step 2: Convert to fraction form
    6,925.92/10,388.88 = 1,860.18/x
  3. Step 3: Cross multiply
    6,925.92x = 10,388.88 × 1,860.18
  4. Step 4: Simplify right side
    6,925.92x = 19,325,186.80
  5. Step 5: Solve for x
    x = 19,325,186.80/6,925.92
  6. Step 6: Final answer
    x = 2,790.27

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Similar ratio
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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.