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Finding the Fourth Proportional to 52,873.64, 73,041.54 and 42,249.32

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Solution

The fourth proportional to 52,873.64, 73,041.54 and 42,249.32 is: 58,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,873.64 : 73,041.54 = 42,249.32 : x
  2. Step 2: Convert to fraction form
    52,873.64/73,041.54 = 42,249.32/x
  3. Step 3: Cross multiply
    52,873.64x = 73,041.54 × 42,249.32
  4. Step 4: Simplify right side
    52,873.64x = 3,085,955,396.75
  5. Step 5: Solve for x
    x = 3,085,955,396.75/52,873.64
  6. Step 6: Final answer
    x = 58,364.72

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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.