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Finding the Fourth Proportional to 67,631.84, 93,361.84 and 40,417.53

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Solution

The fourth proportional to 67,631.84, 93,361.84 and 40,417.53 is: 55,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,631.84 : 93,361.84 = 40,417.53 : x
  2. Step 2: Convert to fraction form
    67,631.84/93,361.84 = 40,417.53/x
  3. Step 3: Cross multiply
    67,631.84x = 93,361.84 × 40,417.53
  4. Step 4: Simplify right side
    67,631.84x = 3,773,455,156.74
  5. Step 5: Solve for x
    x = 3,773,455,156.74/67,631.84
  6. Step 6: Final answer
    x = 55,794.06

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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.