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Finding the Fourth Proportional to 33,357.92, 46,064.54 and 21,442.01

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Solution

The fourth proportional to 33,357.92, 46,064.54 and 21,442.01 is: 29,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,357.92 : 46,064.54 = 21,442.01 : x
  2. Step 2: Convert to fraction form
    33,357.92/46,064.54 = 21,442.01/x
  3. Step 3: Cross multiply
    33,357.92x = 46,064.54 × 21,442.01
  4. Step 4: Simplify right side
    33,357.92x = 987,716,150.61
  5. Step 5: Solve for x
    x = 987,716,150.61/33,357.92
  6. Step 6: Final answer
    x = 29,609.65

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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.