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Finding the Fourth Proportional to 18,482.69, 27,724.95 and 9,003.71

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Solution

The fourth proportional to 18,482.69, 27,724.95 and 9,003.71 is: 13,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.69 : 27,724.95 = 9,003.71 : x
  2. Step 2: Convert to fraction form
    18,482.69/27,724.95 = 9,003.71/x
  3. Step 3: Cross multiply
    18,482.69x = 27,724.95 × 9,003.71
  4. Step 4: Simplify right side
    18,482.69x = 249,627,478.88
  5. Step 5: Solve for x
    x = 249,627,478.88/18,482.69
  6. Step 6: Final answer
    x = 13,506.01

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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.