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Finding the Fourth Proportional to 3,265.76, 4,899.45 and 957.26

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Solution

The fourth proportional to 3,265.76, 4,899.45 and 957.26 is: 1,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.76 : 4,899.45 = 957.26 : x
  2. Step 2: Convert to fraction form
    3,265.76/4,899.45 = 957.26/x
  3. Step 3: Cross multiply
    3,265.76x = 4,899.45 × 957.26
  4. Step 4: Simplify right side
    3,265.76x = 4,690,047.51
  5. Step 5: Solve for x
    x = 4,690,047.51/3,265.76
  6. Step 6: Final answer
    x = 1,436.13

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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.