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Finding the Fourth Proportional to 75,496.51, 113,332.25 and 40,504.51

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Solution

The fourth proportional to 75,496.51, 113,332.25 and 40,504.51 is: 60,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,496.51 : 113,332.25 = 40,504.51 : x
  2. Step 2: Convert to fraction form
    75,496.51/113,332.25 = 40,504.51/x
  3. Step 3: Cross multiply
    75,496.51x = 113,332.25 × 40,504.51
  4. Step 4: Simplify right side
    75,496.51x = 4,590,467,253.45
  5. Step 5: Solve for x
    x = 4,590,467,253.45/75,496.51
  6. Step 6: Final answer
    x = 60,803.70

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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.