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Finding the Fourth Proportional to 3,167.66, 4,750.04 and 1,087.08

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Solution

The fourth proportional to 3,167.66, 4,750.04 and 1,087.08 is: 1,630.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.66 : 4,750.04 = 1,087.08 : x
  2. Step 2: Convert to fraction form
    3,167.66/4,750.04 = 1,087.08/x
  3. Step 3: Cross multiply
    3,167.66x = 4,750.04 × 1,087.08
  4. Step 4: Simplify right side
    3,167.66x = 5,163,673.48
  5. Step 5: Solve for x
    x = 5,163,673.48/3,167.66
  6. Step 6: Final answer
    x = 1,630.12

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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.