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Finding the Fourth Proportional to 57,698.88, 86,584.77 and 22,637.76

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Solution

The fourth proportional to 57,698.88, 86,584.77 and 22,637.76 is: 33,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,698.88 : 86,584.77 = 22,637.76 : x
  2. Step 2: Convert to fraction form
    57,698.88/86,584.77 = 22,637.76/x
  3. Step 3: Cross multiply
    57,698.88x = 86,584.77 × 22,637.76
  4. Step 4: Simplify right side
    57,698.88x = 1,960,085,242.92
  5. Step 5: Solve for x
    x = 1,960,085,242.92/57,698.88
  6. Step 6: Final answer
    x = 33,970.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.