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Finding the Fourth Proportional to 53,560, 73,882.02 and 33,407.20

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Solution

The fourth proportional to 53,560, 73,882.02 and 33,407.20 is: 46,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,560 : 73,882.02 = 33,407.20 : x
  2. Step 2: Convert to fraction form
    53,560/73,882.02 = 33,407.20/x
  3. Step 3: Cross multiply
    53,560x = 73,882.02 × 33,407.20
  4. Step 4: Simplify right side
    53,560x = 2,468,191,418.54
  5. Step 5: Solve for x
    x = 2,468,191,418.54/53,560
  6. Step 6: Final answer
    x = 46,082.74

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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.