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Finding the Fourth Proportional to 53,594.88, 80,404.47 and 18,534.84

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Solution

The fourth proportional to 53,594.88, 80,404.47 and 18,534.84 is: 27,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,594.88 : 80,404.47 = 18,534.84 : x
  2. Step 2: Convert to fraction form
    53,594.88/80,404.47 = 18,534.84/x
  3. Step 3: Cross multiply
    53,594.88x = 80,404.47 × 18,534.84
  4. Step 4: Simplify right side
    53,594.88x = 1,490,283,986.73
  5. Step 5: Solve for x
    x = 1,490,283,986.73/53,594.88
  6. Step 6: Final answer
    x = 27,806.46

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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.