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Finding the Fourth Proportional to 52,919.16, 73,035.18 and 30,563.16

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Solution

The fourth proportional to 52,919.16, 73,035.18 and 30,563.16 is: 42,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,919.16 : 73,035.18 = 30,563.16 : x
  2. Step 2: Convert to fraction form
    52,919.16/73,035.18 = 30,563.16/x
  3. Step 3: Cross multiply
    52,919.16x = 73,035.18 × 30,563.16
  4. Step 4: Simplify right side
    52,919.16x = 2,232,185,891.97
  5. Step 5: Solve for x
    x = 2,232,185,891.97/52,919.16
  6. Step 6: Final answer
    x = 42,181.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.