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Finding the Fourth Proportional to 39,374.58, 59,053.80 and 11,287.11

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Solution

The fourth proportional to 39,374.58, 59,053.80 and 11,287.11 is: 16,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374.58 : 59,053.80 = 11,287.11 : x
  2. Step 2: Convert to fraction form
    39,374.58/59,053.80 = 11,287.11/x
  3. Step 3: Cross multiply
    39,374.58x = 59,053.80 × 11,287.11
  4. Step 4: Simplify right side
    39,374.58x = 666,546,736.52
  5. Step 5: Solve for x
    x = 666,546,736.52/39,374.58
  6. Step 6: Final answer
    x = 16,928.35

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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.