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Finding the Fourth Proportional to 2,352.51, 3,527.67 and 891.69

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Solution

The fourth proportional to 2,352.51, 3,527.67 and 891.69 is: 1,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.51 : 3,527.67 = 891.69 : x
  2. Step 2: Convert to fraction form
    2,352.51/3,527.67 = 891.69/x
  3. Step 3: Cross multiply
    2,352.51x = 3,527.67 × 891.69
  4. Step 4: Simplify right side
    2,352.51x = 3,145,588.06
  5. Step 5: Solve for x
    x = 3,145,588.06/2,352.51
  6. Step 6: Final answer
    x = 1,337.12

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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.