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Finding the Fourth Proportional to 54,033.80, 81,054.80 and 14,590.35

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Solution

The fourth proportional to 54,033.80, 81,054.80 and 14,590.35 is: 21,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,033.80 : 81,054.80 = 14,590.35 : x
  2. Step 2: Convert to fraction form
    54,033.80/81,054.80 = 14,590.35/x
  3. Step 3: Cross multiply
    54,033.80x = 81,054.80 × 14,590.35
  4. Step 4: Simplify right side
    54,033.80x = 1,182,617,828.23
  5. Step 5: Solve for x
    x = 1,182,617,828.23/54,033.80
  6. Step 6: Final answer
    x = 21,886.63

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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.