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Finding the Fourth Proportional to 2,901.55, 4,351.92 and 953.50

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Solution

The fourth proportional to 2,901.55, 4,351.92 and 953.50 is: 1,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.55 : 4,351.92 = 953.50 : x
  2. Step 2: Convert to fraction form
    2,901.55/4,351.92 = 953.50/x
  3. Step 3: Cross multiply
    2,901.55x = 4,351.92 × 953.50
  4. Step 4: Simplify right side
    2,901.55x = 4,149,555.72
  5. Step 5: Solve for x
    x = 4,149,555.72/2,901.55
  6. Step 6: Final answer
    x = 1,430.12

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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.