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Finding the Fourth Proportional to 56,525.96, 77,989.83 and 36,394.49

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Solution

The fourth proportional to 56,525.96, 77,989.83 and 36,394.49 is: 50,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,525.96 : 77,989.83 = 36,394.49 : x
  2. Step 2: Convert to fraction form
    56,525.96/77,989.83 = 36,394.49/x
  3. Step 3: Cross multiply
    56,525.96x = 77,989.83 × 36,394.49
  4. Step 4: Simplify right side
    56,525.96x = 2,838,400,088.04
  5. Step 5: Solve for x
    x = 2,838,400,088.04/56,525.96
  6. Step 6: Final answer
    x = 50,214.10

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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.