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Finding the Fourth Proportional to 73,594.74, 110,393.10 and 21,004.20

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Solution

The fourth proportional to 73,594.74, 110,393.10 and 21,004.20 is: 31,506.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,594.74 : 110,393.10 = 21,004.20 : x
  2. Step 2: Convert to fraction form
    73,594.74/110,393.10 = 21,004.20/x
  3. Step 3: Cross multiply
    73,594.74x = 110,393.10 × 21,004.20
  4. Step 4: Simplify right side
    73,594.74x = 2,318,718,751.02
  5. Step 5: Solve for x
    x = 2,318,718,751.02/73,594.74
  6. Step 6: Final answer
    x = 31,506.58

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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.