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Finding the Fourth Proportional to 66,394.51, 99,621.20 and 34,797.06

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Solution

The fourth proportional to 66,394.51, 99,621.20 and 34,797.06 is: 52,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,394.51 : 99,621.20 = 34,797.06 : x
  2. Step 2: Convert to fraction form
    66,394.51/99,621.20 = 34,797.06/x
  3. Step 3: Cross multiply
    66,394.51x = 99,621.20 × 34,797.06
  4. Step 4: Simplify right side
    66,394.51x = 3,466,524,873.67
  5. Step 5: Solve for x
    x = 3,466,524,873.67/66,394.51
  6. Step 6: Final answer
    x = 52,211.02

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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.