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Finding the Fourth Proportional to 6,256.70, 9,385.05 and 5,746.40

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Solution

The fourth proportional to 6,256.70, 9,385.05 and 5,746.40 is: 8,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,256.70 : 9,385.05 = 5,746.40 : x
  2. Step 2: Convert to fraction form
    6,256.70/9,385.05 = 5,746.40/x
  3. Step 3: Cross multiply
    6,256.70x = 9,385.05 × 5,746.40
  4. Step 4: Simplify right side
    6,256.70x = 53,930,251.32
  5. Step 5: Solve for x
    x = 53,930,251.32/6,256.70
  6. Step 6: Final answer
    x = 8,619.60

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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.