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Finding the Fourth Proportional to 69,458.64, 104,140.53 and 33,416.07

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Solution

The fourth proportional to 69,458.64, 104,140.53 and 33,416.07 is: 50,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,458.64 : 104,140.53 = 33,416.07 : x
  2. Step 2: Convert to fraction form
    69,458.64/104,140.53 = 33,416.07/x
  3. Step 3: Cross multiply
    69,458.64x = 104,140.53 × 33,416.07
  4. Step 4: Simplify right side
    69,458.64x = 3,479,967,240.32
  5. Step 5: Solve for x
    x = 3,479,967,240.32/69,458.64
  6. Step 6: Final answer
    x = 50,101.29

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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.