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Finding the Fourth Proportional to 4,718.56, 6,512.16 and 3,300.88

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Solution

The fourth proportional to 4,718.56, 6,512.16 and 3,300.88 is: 4,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.56 : 6,512.16 = 3,300.88 : x
  2. Step 2: Convert to fraction form
    4,718.56/6,512.16 = 3,300.88/x
  3. Step 3: Cross multiply
    4,718.56x = 6,512.16 × 3,300.88
  4. Step 4: Simplify right side
    4,718.56x = 21,495,858.70
  5. Step 5: Solve for x
    x = 21,495,858.70/4,718.56
  6. Step 6: Final answer
    x = 4,555.60

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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.