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Finding the Fourth Proportional to 69,835.63, 96,375.35 and 39,622.22

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Solution

The fourth proportional to 69,835.63, 96,375.35 and 39,622.22 is: 54,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,835.63 : 96,375.35 = 39,622.22 : x
  2. Step 2: Convert to fraction form
    69,835.63/96,375.35 = 39,622.22/x
  3. Step 3: Cross multiply
    69,835.63x = 96,375.35 × 39,622.22
  4. Step 4: Simplify right side
    69,835.63x = 3,818,605,405.28
  5. Step 5: Solve for x
    x = 3,818,605,405.28/69,835.63
  6. Step 6: Final answer
    x = 54,679.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.