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Finding the Fourth Proportional to 73,799.55, 110,687.45 and 21,197.07

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Solution

The fourth proportional to 73,799.55, 110,687.45 and 21,197.07 is: 31,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,799.55 : 110,687.45 = 21,197.07 : x
  2. Step 2: Convert to fraction form
    73,799.55/110,687.45 = 21,197.07/x
  3. Step 3: Cross multiply
    73,799.55x = 110,687.45 × 21,197.07
  4. Step 4: Simplify right side
    73,799.55x = 2,346,249,519.79
  5. Step 5: Solve for x
    x = 2,346,249,519.79/73,799.55
  6. Step 6: Final answer
    x = 31,792.19

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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.