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Finding the Fourth Proportional to 2,901.76, 4,004.96 and 1,723.48

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Solution

The fourth proportional to 2,901.76, 4,004.96 and 1,723.48 is: 2,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.76 : 4,004.96 = 1,723.48 : x
  2. Step 2: Convert to fraction form
    2,901.76/4,004.96 = 1,723.48/x
  3. Step 3: Cross multiply
    2,901.76x = 4,004.96 × 1,723.48
  4. Step 4: Simplify right side
    2,901.76x = 6,902,468.46
  5. Step 5: Solve for x
    x = 6,902,468.46/2,901.76
  6. Step 6: Final answer
    x = 2,378.72

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1.5x scale

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.