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Finding the Fourth Proportional to 52,995.35, 73,162.02 and 40,869.32

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Solution

The fourth proportional to 52,995.35, 73,162.02 and 40,869.32 is: 56,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,995.35 : 73,162.02 = 40,869.32 : x
  2. Step 2: Convert to fraction form
    52,995.35/73,162.02 = 40,869.32/x
  3. Step 3: Cross multiply
    52,995.35x = 73,162.02 × 40,869.32
  4. Step 4: Simplify right side
    52,995.35x = 2,990,081,641.42
  5. Step 5: Solve for x
    x = 2,990,081,641.42/52,995.35
  6. Step 6: Final answer
    x = 56,421.59

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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.