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Finding the Fourth Proportional to 55,967.51, 77,204.53 and 38,944.82

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Solution

The fourth proportional to 55,967.51, 77,204.53 and 38,944.82 is: 53,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,967.51 : 77,204.53 = 38,944.82 : x
  2. Step 2: Convert to fraction form
    55,967.51/77,204.53 = 38,944.82/x
  3. Step 3: Cross multiply
    55,967.51x = 77,204.53 × 38,944.82
  4. Step 4: Simplify right side
    55,967.51x = 3,006,716,524.03
  5. Step 5: Solve for x
    x = 3,006,716,524.03/55,967.51
  6. Step 6: Final answer
    x = 53,722.54

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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.