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Finding the Fourth Proportional to 66,167.75, 99,266.99 and 21,792.92

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Solution

The fourth proportional to 66,167.75, 99,266.99 and 21,792.92 is: 32,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,167.75 : 99,266.99 = 21,792.92 : x
  2. Step 2: Convert to fraction form
    66,167.75/99,266.99 = 21,792.92/x
  3. Step 3: Cross multiply
    66,167.75x = 99,266.99 × 21,792.92
  4. Step 4: Simplify right side
    66,167.75x = 2,163,316,966.41
  5. Step 5: Solve for x
    x = 2,163,316,966.41/66,167.75
  6. Step 6: Final answer
    x = 32,694.43

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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.