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Finding the Fourth Proportional to 66,700.35, 99,962.33 and 35,045.73

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Solution

The fourth proportional to 66,700.35, 99,962.33 and 35,045.73 is: 52,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,700.35 : 99,962.33 = 35,045.73 : x
  2. Step 2: Convert to fraction form
    66,700.35/99,962.33 = 35,045.73/x
  3. Step 3: Cross multiply
    66,700.35x = 99,962.33 × 35,045.73
  4. Step 4: Simplify right side
    66,700.35x = 3,503,252,652.12
  5. Step 5: Solve for x
    x = 3,503,252,652.12/66,700.35
  6. Step 6: Final answer
    x = 52,522.25

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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.