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Finding the Fourth Proportional to 62,570.69, 86,348.94 and 35,712.65

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Solution

The fourth proportional to 62,570.69, 86,348.94 and 35,712.65 is: 49,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,570.69 : 86,348.94 = 35,712.65 : x
  2. Step 2: Convert to fraction form
    62,570.69/86,348.94 = 35,712.65/x
  3. Step 3: Cross multiply
    62,570.69x = 86,348.94 × 35,712.65
  4. Step 4: Simplify right side
    62,570.69x = 3,083,749,040.35
  5. Step 5: Solve for x
    x = 3,083,749,040.35/62,570.69
  6. Step 6: Final answer
    x = 49,284.24

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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.