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Finding the Fourth Proportional to 7,275.59, 10,914.09 and 2,892.07

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Solution

The fourth proportional to 7,275.59, 10,914.09 and 2,892.07 is: 4,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.59 : 10,914.09 = 2,892.07 : x
  2. Step 2: Convert to fraction form
    7,275.59/10,914.09 = 2,892.07/x
  3. Step 3: Cross multiply
    7,275.59x = 10,914.09 × 2,892.07
  4. Step 4: Simplify right side
    7,275.59x = 31,564,312.27
  5. Step 5: Solve for x
    x = 31,564,312.27/7,275.59
  6. Step 6: Final answer
    x = 4,338.39

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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.