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Finding the Fourth Proportional to 72,448.66, 108,672.39 and 22,528.66

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Solution

The fourth proportional to 72,448.66, 108,672.39 and 22,528.66 is: 33,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,448.66 : 108,672.39 = 22,528.66 : x
  2. Step 2: Convert to fraction form
    72,448.66/108,672.39 = 22,528.66/x
  3. Step 3: Cross multiply
    72,448.66x = 108,672.39 × 22,528.66
  4. Step 4: Simplify right side
    72,448.66x = 2,448,243,325.70
  5. Step 5: Solve for x
    x = 2,448,243,325.70/72,448.66
  6. Step 6: Final answer
    x = 33,792.80

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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.