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Finding the Fourth Proportional to 15,216.58, 22,828.56 and 4,828.42

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Solution

The fourth proportional to 15,216.58, 22,828.56 and 4,828.42 is: 7,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.58 : 22,828.56 = 4,828.42 : x
  2. Step 2: Convert to fraction form
    15,216.58/22,828.56 = 4,828.42/x
  3. Step 3: Cross multiply
    15,216.58x = 22,828.56 × 4,828.42
  4. Step 4: Simplify right side
    15,216.58x = 110,225,875.68
  5. Step 5: Solve for x
    x = 110,225,875.68/15,216.58
  6. Step 6: Final answer
    x = 7,243.80

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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.