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Finding the Fourth Proportional to 67,187.51, 92,716.81 and 36,972.82

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Solution

The fourth proportional to 67,187.51, 92,716.81 and 36,972.82 is: 51,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,187.51 : 92,716.81 = 36,972.82 : x
  2. Step 2: Convert to fraction form
    67,187.51/92,716.81 = 36,972.82/x
  3. Step 3: Cross multiply
    67,187.51x = 92,716.81 × 36,972.82
  4. Step 4: Simplify right side
    67,187.51x = 3,428,001,637.81
  5. Step 5: Solve for x
    x = 3,428,001,637.81/67,187.51
  6. Step 6: Final answer
    x = 51,021.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.