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Finding the Fourth Proportional to 73,973.20, 110,938.20 and 26,582.80

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Solution

The fourth proportional to 73,973.20, 110,938.20 and 26,582.80 is: 39,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,973.20 : 110,938.20 = 26,582.80 : x
  2. Step 2: Convert to fraction form
    73,973.20/110,938.20 = 26,582.80/x
  3. Step 3: Cross multiply
    73,973.20x = 110,938.20 × 26,582.80
  4. Step 4: Simplify right side
    73,973.20x = 2,949,047,982.96
  5. Step 5: Solve for x
    x = 2,949,047,982.96/73,973.20
  6. Step 6: Final answer
    x = 39,866.44

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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.