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Finding the Fourth Proportional to 57,551.52, 79,402.08 and 33,661.28

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Solution

The fourth proportional to 57,551.52, 79,402.08 and 33,661.28 is: 46,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,551.52 : 79,402.08 = 33,661.28 : x
  2. Step 2: Convert to fraction form
    57,551.52/79,402.08 = 33,661.28/x
  3. Step 3: Cross multiply
    57,551.52x = 79,402.08 × 33,661.28
  4. Step 4: Simplify right side
    57,551.52x = 2,672,775,647.46
  5. Step 5: Solve for x
    x = 2,672,775,647.46/57,551.52
  6. Step 6: Final answer
    x = 46,441.44

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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.