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Finding the Fourth Proportional to 62,570.61, 86,347.55 and 33,890.33

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Solution

The fourth proportional to 62,570.61, 86,347.55 and 33,890.33 is: 46,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,570.61 : 86,347.55 = 33,890.33 : x
  2. Step 2: Convert to fraction form
    62,570.61/86,347.55 = 33,890.33/x
  3. Step 3: Cross multiply
    62,570.61x = 86,347.55 × 33,890.33
  4. Step 4: Simplify right side
    62,570.61x = 2,926,346,964.19
  5. Step 5: Solve for x
    x = 2,926,346,964.19/62,570.61
  6. Step 6: Final answer
    x = 46,768.71

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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.