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Finding the Fourth Proportional to 2,901.67, 4,352.49 and 953.87

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Solution

The fourth proportional to 2,901.67, 4,352.49 and 953.87 is: 1,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.67 : 4,352.49 = 953.87 : x
  2. Step 2: Convert to fraction form
    2,901.67/4,352.49 = 953.87/x
  3. Step 3: Cross multiply
    2,901.67x = 4,352.49 × 953.87
  4. Step 4: Simplify right side
    2,901.67x = 4,151,687.87
  5. Step 5: Solve for x
    x = 4,151,687.87/2,901.67
  6. Step 6: Final answer
    x = 1,430.79

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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.