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Finding the Fourth Proportional to 60,694.58, 91,041.88 and 39,913.22

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Solution

The fourth proportional to 60,694.58, 91,041.88 and 39,913.22 is: 59,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,694.58 : 91,041.88 = 39,913.22 : x
  2. Step 2: Convert to fraction form
    60,694.58/91,041.88 = 39,913.22/x
  3. Step 3: Cross multiply
    60,694.58x = 91,041.88 × 39,913.22
  4. Step 4: Simplify right side
    60,694.58x = 3,633,774,585.65
  5. Step 5: Solve for x
    x = 3,633,774,585.65/60,694.58
  6. Step 6: Final answer
    x = 59,869.84

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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.