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Finding the Fourth Proportional to 1,632.96, 2,449.48 and 537.28

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Solution

The fourth proportional to 1,632.96, 2,449.48 and 537.28 is: 805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.96 : 2,449.48 = 537.28 : x
  2. Step 2: Convert to fraction form
    1,632.96/2,449.48 = 537.28/x
  3. Step 3: Cross multiply
    1,632.96x = 2,449.48 × 537.28
  4. Step 4: Simplify right side
    1,632.96x = 1,316,056.61
  5. Step 5: Solve for x
    x = 1,316,056.61/1,632.96
  6. Step 6: Final answer
    x = 805.93

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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.