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Finding the Fourth Proportional to 48,698.60, 73,026.30 and 22,389.80

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Solution

The fourth proportional to 48,698.60, 73,026.30 and 22,389.80 is: 33,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,698.60 : 73,026.30 = 22,389.80 : x
  2. Step 2: Convert to fraction form
    48,698.60/73,026.30 = 22,389.80/x
  3. Step 3: Cross multiply
    48,698.60x = 73,026.30 × 22,389.80
  4. Step 4: Simplify right side
    48,698.60x = 1,635,044,251.74
  5. Step 5: Solve for x
    x = 1,635,044,251.74/48,698.60
  6. Step 6: Final answer
    x = 33,574.77

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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.