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Finding the Fourth Proportional to 62,673.35, 86,488.71 and 33,992.74

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Solution

The fourth proportional to 62,673.35, 86,488.71 and 33,992.74 is: 46,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,673.35 : 86,488.71 = 33,992.74 : x
  2. Step 2: Convert to fraction form
    62,673.35/86,488.71 = 33,992.74/x
  3. Step 3: Cross multiply
    62,673.35x = 86,488.71 × 33,992.74
  4. Step 4: Simplify right side
    62,673.35x = 2,939,988,160.56
  5. Step 5: Solve for x
    x = 2,939,988,160.56/62,673.35
  6. Step 6: Final answer
    x = 46,909.71

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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.