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Finding the Fourth Proportional to 2,725.01, 4,087.10 and 875.88

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Solution

The fourth proportional to 2,725.01, 4,087.10 and 875.88 is: 1,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.01 : 4,087.10 = 875.88 : x
  2. Step 2: Convert to fraction form
    2,725.01/4,087.10 = 875.88/x
  3. Step 3: Cross multiply
    2,725.01x = 4,087.10 × 875.88
  4. Step 4: Simplify right side
    2,725.01x = 3,579,788.71
  5. Step 5: Solve for x
    x = 3,579,788.71/2,725.01
  6. Step 6: Final answer
    x = 1,313.68

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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.