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Finding the Fourth Proportional to 6,248.75, 9,373.14 and 1,866.21

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Solution

The fourth proportional to 6,248.75, 9,373.14 and 1,866.21 is: 2,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.75 : 9,373.14 = 1,866.21 : x
  2. Step 2: Convert to fraction form
    6,248.75/9,373.14 = 1,866.21/x
  3. Step 3: Cross multiply
    6,248.75x = 9,373.14 × 1,866.21
  4. Step 4: Simplify right side
    6,248.75x = 17,492,247.60
  5. Step 5: Solve for x
    x = 17,492,247.60/6,248.75
  6. Step 6: Final answer
    x = 2,799.32

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Double scale
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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.