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Finding the Fourth Proportional to 6,302.50, 9,454.14 and 1,920.28

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Solution

The fourth proportional to 6,302.50, 9,454.14 and 1,920.28 is: 2,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,302.50 : 9,454.14 = 1,920.28 : x
  2. Step 2: Convert to fraction form
    6,302.50/9,454.14 = 1,920.28/x
  3. Step 3: Cross multiply
    6,302.50x = 9,454.14 × 1,920.28
  4. Step 4: Simplify right side
    6,302.50x = 18,154,595.96
  5. Step 5: Solve for x
    x = 18,154,595.96/6,302.50
  6. Step 6: Final answer
    x = 2,880.54

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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.