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Finding the Fourth Proportional to 56,281.82, 84,361.95 and 36,574.52

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Solution

The fourth proportional to 56,281.82, 84,361.95 and 36,574.52 is: 54,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,281.82 : 84,361.95 = 36,574.52 : x
  2. Step 2: Convert to fraction form
    56,281.82/84,361.95 = 36,574.52/x
  3. Step 3: Cross multiply
    56,281.82x = 84,361.95 × 36,574.52
  4. Step 4: Simplify right side
    56,281.82x = 3,085,497,405.70
  5. Step 5: Solve for x
    x = 3,085,497,405.70/56,281.82
  6. Step 6: Final answer
    x = 54,822.28

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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.