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Finding the Fourth Proportional to 73,698.46, 110,547.68 and 18,294.46

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Solution

The fourth proportional to 73,698.46, 110,547.68 and 18,294.46 is: 27,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,698.46 : 110,547.68 = 18,294.46 : x
  2. Step 2: Convert to fraction form
    73,698.46/110,547.68 = 18,294.46/x
  3. Step 3: Cross multiply
    73,698.46x = 110,547.68 × 18,294.46
  4. Step 4: Simplify right side
    73,698.46x = 2,022,410,109.85
  5. Step 5: Solve for x
    x = 2,022,410,109.85/73,698.46
  6. Step 6: Final answer
    x = 27,441.69

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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.