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Finding the Fourth Proportional to 66,017.63, 99,055.61 and 26,651.63

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Solution

The fourth proportional to 66,017.63, 99,055.61 and 26,651.63 is: 39,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,017.63 : 99,055.61 = 26,651.63 : x
  2. Step 2: Convert to fraction form
    66,017.63/99,055.61 = 26,651.63/x
  3. Step 3: Cross multiply
    66,017.63x = 99,055.61 × 26,651.63
  4. Step 4: Simplify right side
    66,017.63x = 2,639,993,467.14
  5. Step 5: Solve for x
    x = 2,639,993,467.14/66,017.63
  6. Step 6: Final answer
    x = 39,989.22

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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.