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Finding the Fourth Proportional to 77,590.33, 107,066.71 and 43,593.41

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Solution

The fourth proportional to 77,590.33, 107,066.71 and 43,593.41 is: 60,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,590.33 : 107,066.71 = 43,593.41 : x
  2. Step 2: Convert to fraction form
    77,590.33/107,066.71 = 43,593.41/x
  3. Step 3: Cross multiply
    77,590.33x = 107,066.71 × 43,593.41
  4. Step 4: Simplify right side
    77,590.33x = 4,667,402,986.38
  5. Step 5: Solve for x
    x = 4,667,402,986.38/77,590.33
  6. Step 6: Final answer
    x = 60,154.44

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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.