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Finding the Fourth Proportional to 48,722.40, 73,083.60 and 22,478.40

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Solution

The fourth proportional to 48,722.40, 73,083.60 and 22,478.40 is: 33,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.40 : 73,083.60 = 22,478.40 : x
  2. Step 2: Convert to fraction form
    48,722.40/73,083.60 = 22,478.40/x
  3. Step 3: Cross multiply
    48,722.40x = 73,083.60 × 22,478.40
  4. Step 4: Simplify right side
    48,722.40x = 1,642,802,394.24
  5. Step 5: Solve for x
    x = 1,642,802,394.24/48,722.40
  6. Step 6: Final answer
    x = 33,717.60

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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.