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Finding the Fourth Proportional to 6,417.92, 9,626.74 and 2,955.17

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Solution

The fourth proportional to 6,417.92, 9,626.74 and 2,955.17 is: 4,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.92 : 9,626.74 = 2,955.17 : x
  2. Step 2: Convert to fraction form
    6,417.92/9,626.74 = 2,955.17/x
  3. Step 3: Cross multiply
    6,417.92x = 9,626.74 × 2,955.17
  4. Step 4: Simplify right side
    6,417.92x = 28,448,590.34
  5. Step 5: Solve for x
    x = 28,448,590.34/6,417.92
  6. Step 6: Final answer
    x = 4,432.68

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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.