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Finding the Fourth Proportional to 75,296.57, 112,921.26 and 27,259.11

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Solution

The fourth proportional to 75,296.57, 112,921.26 and 27,259.11 is: 40,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,296.57 : 112,921.26 = 27,259.11 : x
  2. Step 2: Convert to fraction form
    75,296.57/112,921.26 = 27,259.11/x
  3. Step 3: Cross multiply
    75,296.57x = 112,921.26 × 27,259.11
  4. Step 4: Simplify right side
    75,296.57x = 3,078,133,047.68
  5. Step 5: Solve for x
    x = 3,078,133,047.68/75,296.57
  6. Step 6: Final answer
    x = 40,880.13

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1.5x scale

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.