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Finding the Fourth Proportional to 66,464.49, 99,715.57 and 27,049.89

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Solution

The fourth proportional to 66,464.49, 99,715.57 and 27,049.89 is: 40,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464.49 : 99,715.57 = 27,049.89 : x
  2. Step 2: Convert to fraction form
    66,464.49/99,715.57 = 27,049.89/x
  3. Step 3: Cross multiply
    66,464.49x = 99,715.57 × 27,049.89
  4. Step 4: Simplify right side
    66,464.49x = 2,697,295,064.54
  5. Step 5: Solve for x
    x = 2,697,295,064.54/66,464.49
  6. Step 6: Final answer
    x = 40,582.50

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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.