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Finding the Fourth Proportional to 4,648.32, 6,968.16 and 3,182.76

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Solution

The fourth proportional to 4,648.32, 6,968.16 and 3,182.76 is: 4,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.32 : 6,968.16 = 3,182.76 : x
  2. Step 2: Convert to fraction form
    4,648.32/6,968.16 = 3,182.76/x
  3. Step 3: Cross multiply
    4,648.32x = 6,968.16 × 3,182.76
  4. Step 4: Simplify right side
    4,648.32x = 22,177,980.92
  5. Step 5: Solve for x
    x = 22,177,980.92/4,648.32
  6. Step 6: Final answer
    x = 4,771.18

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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.