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Finding the Fourth Proportional to 66,885.92, 100,329.06 and 16,966.06

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Solution

The fourth proportional to 66,885.92, 100,329.06 and 16,966.06 is: 25,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885.92 : 100,329.06 = 16,966.06 : x
  2. Step 2: Convert to fraction form
    66,885.92/100,329.06 = 16,966.06/x
  3. Step 3: Cross multiply
    66,885.92x = 100,329.06 × 16,966.06
  4. Step 4: Simplify right side
    66,885.92x = 1,702,188,851.70
  5. Step 5: Solve for x
    x = 1,702,188,851.70/66,885.92
  6. Step 6: Final answer
    x = 25,449.14

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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.