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Finding the Fourth Proportional to 53,641.92, 80,461.50 and 25,581.78

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Solution

The fourth proportional to 53,641.92, 80,461.50 and 25,581.78 is: 38,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,641.92 : 80,461.50 = 25,581.78 : x
  2. Step 2: Convert to fraction form
    53,641.92/80,461.50 = 25,581.78/x
  3. Step 3: Cross multiply
    53,641.92x = 80,461.50 × 25,581.78
  4. Step 4: Simplify right side
    53,641.92x = 2,058,348,391.47
  5. Step 5: Solve for x
    x = 2,058,348,391.47/53,641.92
  6. Step 6: Final answer
    x = 38,372.01

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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.