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Finding the Fourth Proportional to 54,602.58, 81,903.37 and 15,159.70

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Solution

The fourth proportional to 54,602.58, 81,903.37 and 15,159.70 is: 22,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,602.58 : 81,903.37 = 15,159.70 : x
  2. Step 2: Convert to fraction form
    54,602.58/81,903.37 = 15,159.70/x
  3. Step 3: Cross multiply
    54,602.58x = 81,903.37 × 15,159.70
  4. Step 4: Simplify right side
    54,602.58x = 1,241,630,518.19
  5. Step 5: Solve for x
    x = 1,241,630,518.19/54,602.58
  6. Step 6: Final answer
    x = 22,739.41

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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.