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Finding the Fourth Proportional to 1,632.60, 2,448.90 and 537.03

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Solution

The fourth proportional to 1,632.60, 2,448.90 and 537.03 is: 805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.60 : 2,448.90 = 537.03 : x
  2. Step 2: Convert to fraction form
    1,632.60/2,448.90 = 537.03/x
  3. Step 3: Cross multiply
    1,632.60x = 2,448.90 × 537.03
  4. Step 4: Simplify right side
    1,632.60x = 1,315,132.77
  5. Step 5: Solve for x
    x = 1,315,132.77/1,632.60
  6. Step 6: Final answer
    x = 805.55

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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.