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Finding the Fourth Proportional to 2,373.79, 3,275.84 and 1,325.89

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Solution

The fourth proportional to 2,373.79, 3,275.84 and 1,325.89 is: 1,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.79 : 3,275.84 = 1,325.89 : x
  2. Step 2: Convert to fraction form
    2,373.79/3,275.84 = 1,325.89/x
  3. Step 3: Cross multiply
    2,373.79x = 3,275.84 × 1,325.89
  4. Step 4: Simplify right side
    2,373.79x = 4,343,403.50
  5. Step 5: Solve for x
    x = 4,343,403.50/2,373.79
  6. Step 6: Final answer
    x = 1,829.73

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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.