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Finding the Fourth Proportional to 2,201.79, 3,302.67 and 740.94

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Solution

The fourth proportional to 2,201.79, 3,302.67 and 740.94 is: 1,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.79 : 3,302.67 = 740.94 : x
  2. Step 2: Convert to fraction form
    2,201.79/3,302.67 = 740.94/x
  3. Step 3: Cross multiply
    2,201.79x = 3,302.67 × 740.94
  4. Step 4: Simplify right side
    2,201.79x = 2,447,080.31
  5. Step 5: Solve for x
    x = 2,447,080.31/2,201.79
  6. Step 6: Final answer
    x = 1,111.40

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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.