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Finding the Fourth Proportional to 66,084.98, 98,920.11 and 34,825.46

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Solution

The fourth proportional to 66,084.98, 98,920.11 and 34,825.46 is: 52,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084.98 : 98,920.11 = 34,825.46 : x
  2. Step 2: Convert to fraction form
    66,084.98/98,920.11 = 34,825.46/x
  3. Step 3: Cross multiply
    66,084.98x = 98,920.11 × 34,825.46
  4. Step 4: Simplify right side
    66,084.98x = 3,444,938,334.00
  5. Step 5: Solve for x
    x = 3,444,938,334.00/66,084.98
  6. Step 6: Final answer
    x = 52,128.92

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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.