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Finding the Fourth Proportional to 4,955.15, 6,832.13 and 4,281.74

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Solution

The fourth proportional to 4,955.15, 6,832.13 and 4,281.74 is: 5,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.15 : 6,832.13 = 4,281.74 : x
  2. Step 2: Convert to fraction form
    4,955.15/6,832.13 = 4,281.74/x
  3. Step 3: Cross multiply
    4,955.15x = 6,832.13 × 4,281.74
  4. Step 4: Simplify right side
    4,955.15x = 29,253,404.31
  5. Step 5: Solve for x
    x = 29,253,404.31/4,955.15
  6. Step 6: Final answer
    x = 5,903.64

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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.