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Finding the Fourth Proportional to 53,597.91, 80,409.12 and 18,537.54

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Solution

The fourth proportional to 53,597.91, 80,409.12 and 18,537.54 is: 27,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,597.91 : 80,409.12 = 18,537.54 : x
  2. Step 2: Convert to fraction form
    53,597.91/80,409.12 = 18,537.54/x
  3. Step 3: Cross multiply
    53,597.91x = 80,409.12 × 18,537.54
  4. Step 4: Simplify right side
    53,597.91x = 1,490,587,278.36
  5. Step 5: Solve for x
    x = 1,490,587,278.36/53,597.91
  6. Step 6: Final answer
    x = 27,810.55

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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.