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Finding the Fourth Proportional to 4,335.66, 5,981.84 and 2,656.20

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Solution

The fourth proportional to 4,335.66, 5,981.84 and 2,656.20 is: 3,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,335.66 : 5,981.84 = 2,656.20 : x
  2. Step 2: Convert to fraction form
    4,335.66/5,981.84 = 2,656.20/x
  3. Step 3: Cross multiply
    4,335.66x = 5,981.84 × 2,656.20
  4. Step 4: Simplify right side
    4,335.66x = 15,888,963.41
  5. Step 5: Solve for x
    x = 15,888,963.41/4,335.66
  6. Step 6: Final answer
    x = 3,664.72

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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.