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Finding the Fourth Proportional to 69,555.47, 104,709.20 and 63,355.32

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Solution

The fourth proportional to 69,555.47, 104,709.20 and 63,355.32 is: 95,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,555.47 : 104,709.20 = 63,355.32 : x
  2. Step 2: Convert to fraction form
    69,555.47/104,709.20 = 63,355.32/x
  3. Step 3: Cross multiply
    69,555.47x = 104,709.20 × 63,355.32
  4. Step 4: Simplify right side
    69,555.47x = 6,633,884,556.17
  5. Step 5: Solve for x
    x = 6,633,884,556.17/69,555.47
  6. Step 6: Final answer
    x = 95,375.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.