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Finding the Fourth Proportional to 66,443.92, 99,665.88 and 27,004.11

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Solution

The fourth proportional to 66,443.92, 99,665.88 and 27,004.11 is: 40,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443.92 : 99,665.88 = 27,004.11 : x
  2. Step 2: Convert to fraction form
    66,443.92/99,665.88 = 27,004.11/x
  3. Step 3: Cross multiply
    66,443.92x = 99,665.88 × 27,004.11
  4. Step 4: Simplify right side
    66,443.92x = 2,691,388,386.77
  5. Step 5: Solve for x
    x = 2,691,388,386.77/66,443.92
  6. Step 6: Final answer
    x = 40,506.17

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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.