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Finding the Fourth Proportional to 73,643.04, 110,464.56 and 18,239.04

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Solution

The fourth proportional to 73,643.04, 110,464.56 and 18,239.04 is: 27,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,643.04 : 110,464.56 = 18,239.04 : x
  2. Step 2: Convert to fraction form
    73,643.04/110,464.56 = 18,239.04/x
  3. Step 3: Cross multiply
    73,643.04x = 110,464.56 × 18,239.04
  4. Step 4: Simplify right side
    73,643.04x = 2,014,767,528.42
  5. Step 5: Solve for x
    x = 2,014,767,528.42/73,643.04
  6. Step 6: Final answer
    x = 27,358.56

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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.