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Finding the Fourth Proportional to 66,107.10, 99,126.62 and 26,653.62

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Solution

The fourth proportional to 66,107.10, 99,126.62 and 26,653.62 is: 39,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,107.10 : 99,126.62 = 26,653.62 : x
  2. Step 2: Convert to fraction form
    66,107.10/99,126.62 = 26,653.62/x
  3. Step 3: Cross multiply
    66,107.10x = 99,126.62 × 26,653.62
  4. Step 4: Simplify right side
    66,107.10x = 2,642,083,261.36
  5. Step 5: Solve for x
    x = 2,642,083,261.36/66,107.10
  6. Step 6: Final answer
    x = 39,966.71

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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.