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Finding the Fourth Proportional to 6,316.64, 8,708.84 and 4,323.76

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Solution

The fourth proportional to 6,316.64, 8,708.84 and 4,323.76 is: 5,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.64 : 8,708.84 = 4,323.76 : x
  2. Step 2: Convert to fraction form
    6,316.64/8,708.84 = 4,323.76/x
  3. Step 3: Cross multiply
    6,316.64x = 8,708.84 × 4,323.76
  4. Step 4: Simplify right side
    6,316.64x = 37,654,934.04
  5. Step 5: Solve for x
    x = 37,654,934.04/6,316.64
  6. Step 6: Final answer
    x = 5,961.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.