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Finding the Fourth Proportional to 15,199.52, 22,802.52 and 4,811.36

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Solution

The fourth proportional to 15,199.52, 22,802.52 and 4,811.36 is: 7,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199.52 : 22,802.52 = 4,811.36 : x
  2. Step 2: Convert to fraction form
    15,199.52/22,802.52 = 4,811.36/x
  3. Step 3: Cross multiply
    15,199.52x = 22,802.52 × 4,811.36
  4. Step 4: Simplify right side
    15,199.52x = 109,711,132.63
  5. Step 5: Solve for x
    x = 109,711,132.63/15,199.52
  6. Step 6: Final answer
    x = 7,218.07

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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.