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Finding the Fourth Proportional to 45,097.44, 67,643.28 and 15,529.44

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Solution

The fourth proportional to 45,097.44, 67,643.28 and 15,529.44 is: 23,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,097.44 : 67,643.28 = 15,529.44 : x
  2. Step 2: Convert to fraction form
    45,097.44/67,643.28 = 15,529.44/x
  3. Step 3: Cross multiply
    45,097.44x = 67,643.28 × 15,529.44
  4. Step 4: Simplify right side
    45,097.44x = 1,050,462,258.16
  5. Step 5: Solve for x
    x = 1,050,462,258.16/45,097.44
  6. Step 6: Final answer
    x = 23,293.17

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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.