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Finding the Fourth Proportional to 3,459.97, 4,774.29 and 1,967.61

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Solution

The fourth proportional to 3,459.97, 4,774.29 and 1,967.61 is: 2,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.97 : 4,774.29 = 1,967.61 : x
  2. Step 2: Convert to fraction form
    3,459.97/4,774.29 = 1,967.61/x
  3. Step 3: Cross multiply
    3,459.97x = 4,774.29 × 1,967.61
  4. Step 4: Simplify right side
    3,459.97x = 9,393,935.48
  5. Step 5: Solve for x
    x = 9,393,935.48/3,459.97
  6. Step 6: Final answer
    x = 2,715.03

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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.