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Finding the Fourth Proportional to 52,698.22, 72,703.12 and 33,574.58

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Solution

The fourth proportional to 52,698.22, 72,703.12 and 33,574.58 is: 46,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,698.22 : 72,703.12 = 33,574.58 : x
  2. Step 2: Convert to fraction form
    52,698.22/72,703.12 = 33,574.58/x
  3. Step 3: Cross multiply
    52,698.22x = 72,703.12 × 33,574.58
  4. Step 4: Simplify right side
    52,698.22x = 2,440,976,738.62
  5. Step 5: Solve for x
    x = 2,440,976,738.62/52,698.22
  6. Step 6: Final answer
    x = 46,319.91

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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.