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Finding the Fourth Proportional to 57,777.84, 79,747.92 and 32,641.92

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Solution

The fourth proportional to 57,777.84, 79,747.92 and 32,641.92 is: 45,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,777.84 : 79,747.92 = 32,641.92 : x
  2. Step 2: Convert to fraction form
    57,777.84/79,747.92 = 32,641.92/x
  3. Step 3: Cross multiply
    57,777.84x = 79,747.92 × 32,641.92
  4. Step 4: Simplify right side
    57,777.84x = 2,603,125,224.81
  5. Step 5: Solve for x
    x = 2,603,125,224.81/57,777.84
  6. Step 6: Final answer
    x = 45,054.04

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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.