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Finding the Fourth Proportional to 67,848.61, 93,642.29 and 37,643.65

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Solution

The fourth proportional to 67,848.61, 93,642.29 and 37,643.65 is: 51,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,848.61 : 93,642.29 = 37,643.65 : x
  2. Step 2: Convert to fraction form
    67,848.61/93,642.29 = 37,643.65/x
  3. Step 3: Cross multiply
    67,848.61x = 93,642.29 × 37,643.65
  4. Step 4: Simplify right side
    67,848.61x = 3,525,036,933.53
  5. Step 5: Solve for x
    x = 3,525,036,933.53/67,848.61
  6. Step 6: Final answer
    x = 51,954.45

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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.