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Finding the Fourth Proportional to 74,905.28, 112,360.22 and 32,763.68

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Solution

The fourth proportional to 74,905.28, 112,360.22 and 32,763.68 is: 49,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.28 : 112,360.22 = 32,763.68 : x
  2. Step 2: Convert to fraction form
    74,905.28/112,360.22 = 32,763.68/x
  3. Step 3: Cross multiply
    74,905.28x = 112,360.22 × 32,763.68
  4. Step 4: Simplify right side
    74,905.28x = 3,681,334,292.81
  5. Step 5: Solve for x
    x = 3,681,334,292.81/74,905.28
  6. Step 6: Final answer
    x = 49,146.53

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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.