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Finding the Fourth Proportional to 66,348, 99,522 and 22,572

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Solution

The fourth proportional to 66,348, 99,522 and 22,572 is: 33,858

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,348 : 99,522 = 22,572 : x
  2. Step 2: Convert to fraction form
    66,348/99,522 = 22,572/x
  3. Step 3: Cross multiply
    66,348x = 99,522 × 22,572
  4. Step 4: Simplify right side
    66,348x = 2,246,410,584
  5. Step 5: Solve for x
    x = 2,246,410,584/66,348
  6. Step 6: Final answer
    x = 33,858

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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.