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Finding the Fourth Proportional to 66,024, 99,051.36 and 22,248

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Solution

The fourth proportional to 66,024, 99,051.36 and 22,248 is: 33,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,024 : 99,051.36 = 22,248 : x
  2. Step 2: Convert to fraction form
    66,024/99,051.36 = 22,248/x
  3. Step 3: Cross multiply
    66,024x = 99,051.36 × 22,248
  4. Step 4: Simplify right side
    66,024x = 2,203,694,657.28
  5. Step 5: Solve for x
    x = 2,203,694,657.28/66,024
  6. Step 6: Final answer
    x = 33,377.18

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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.