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Finding the Fourth Proportional to 31,933.79, 44,066.51 and 19,187.51

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Solution

The fourth proportional to 31,933.79, 44,066.51 and 19,187.51 is: 26,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,933.79 : 44,066.51 = 19,187.51 : x
  2. Step 2: Convert to fraction form
    31,933.79/44,066.51 = 19,187.51/x
  3. Step 3: Cross multiply
    31,933.79x = 44,066.51 × 19,187.51
  4. Step 4: Simplify right side
    31,933.79x = 845,526,548.37
  5. Step 5: Solve for x
    x = 845,526,548.37/31,933.79
  6. Step 6: Final answer
    x = 26,477.49

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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.