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Finding the Fourth Proportional to 77,967.33, 107,594.75 and 43,975.71

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Solution

The fourth proportional to 77,967.33, 107,594.75 and 43,975.71 is: 60,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,967.33 : 107,594.75 = 43,975.71 : x
  2. Step 2: Convert to fraction form
    77,967.33/107,594.75 = 43,975.71/x
  3. Step 3: Cross multiply
    77,967.33x = 107,594.75 × 43,975.71
  4. Step 4: Simplify right side
    77,967.33x = 4,731,555,633.46
  5. Step 5: Solve for x
    x = 4,731,555,633.46/77,967.33
  6. Step 6: Final answer
    x = 60,686.39

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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.