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Finding the Fourth Proportional to 73,730.25, 110,595.78 and 18,326.25

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Solution

The fourth proportional to 73,730.25, 110,595.78 and 18,326.25 is: 27,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,730.25 : 110,595.78 = 18,326.25 : x
  2. Step 2: Convert to fraction form
    73,730.25/110,595.78 = 18,326.25/x
  3. Step 3: Cross multiply
    73,730.25x = 110,595.78 × 18,326.25
  4. Step 4: Simplify right side
    73,730.25x = 2,026,805,913.23
  5. Step 5: Solve for x
    x = 2,026,805,913.23/73,730.25
  6. Step 6: Final answer
    x = 27,489.48

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1.5x scale

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.