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Finding the Fourth Proportional to 3,537.18, 4,881.18 and 1,965.19

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Solution

The fourth proportional to 3,537.18, 4,881.18 and 1,965.19 is: 2,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.18 : 4,881.18 = 1,965.19 : x
  2. Step 2: Convert to fraction form
    3,537.18/4,881.18 = 1,965.19/x
  3. Step 3: Cross multiply
    3,537.18x = 4,881.18 × 1,965.19
  4. Step 4: Simplify right side
    3,537.18x = 9,592,446.12
  5. Step 5: Solve for x
    x = 9,592,446.12/3,537.18
  6. Step 6: Final answer
    x = 2,711.89

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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.