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Finding the Fourth Proportional to 72,729.69, 109,094.54 and 22,814.16

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Solution

The fourth proportional to 72,729.69, 109,094.54 and 22,814.16 is: 34,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,729.69 : 109,094.54 = 22,814.16 : x
  2. Step 2: Convert to fraction form
    72,729.69/109,094.54 = 22,814.16/x
  3. Step 3: Cross multiply
    72,729.69x = 109,094.54 × 22,814.16
  4. Step 4: Simplify right side
    72,729.69x = 2,488,900,290.69
  5. Step 5: Solve for x
    x = 2,488,900,290.69/72,729.69
  6. Step 6: Final answer
    x = 34,221.24

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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.