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Finding the Fourth Proportional to 36,548.51, 50,436.95 and 19,781.51

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Solution

The fourth proportional to 36,548.51, 50,436.95 and 19,781.51 is: 27,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,548.51 : 50,436.95 = 19,781.51 : x
  2. Step 2: Convert to fraction form
    36,548.51/50,436.95 = 19,781.51/x
  3. Step 3: Cross multiply
    36,548.51x = 50,436.95 × 19,781.51
  4. Step 4: Simplify right side
    36,548.51x = 997,719,030.79
  5. Step 5: Solve for x
    x = 997,719,030.79/36,548.51
  6. Step 6: Final answer
    x = 27,298.49

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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.