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Finding the Fourth Proportional to 66,467.93, 99,720.72 and 27,053.33

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Solution

The fourth proportional to 66,467.93, 99,720.72 and 27,053.33 is: 40,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467.93 : 99,720.72 = 27,053.33 : x
  2. Step 2: Convert to fraction form
    66,467.93/99,720.72 = 27,053.33/x
  3. Step 3: Cross multiply
    66,467.93x = 99,720.72 × 27,053.33
  4. Step 4: Simplify right side
    66,467.93x = 2,697,777,047.39
  5. Step 5: Solve for x
    x = 2,697,777,047.39/66,467.93
  6. Step 6: Final answer
    x = 40,587.65

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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.