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Finding the Fourth Proportional to 72,231.84, 108,350.60 and 22,307.49

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Solution

The fourth proportional to 72,231.84, 108,350.60 and 22,307.49 is: 33,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,231.84 : 108,350.60 = 22,307.49 : x
  2. Step 2: Convert to fraction form
    72,231.84/108,350.60 = 22,307.49/x
  3. Step 3: Cross multiply
    72,231.84x = 108,350.60 × 22,307.49
  4. Step 4: Simplify right side
    72,231.84x = 2,417,029,814.46
  5. Step 5: Solve for x
    x = 2,417,029,814.46/72,231.84
  6. Step 6: Final answer
    x = 33,462.11

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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.