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Finding the Fourth Proportional to 57,903.70, 86,859.60 and 22,838.80

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Solution

The fourth proportional to 57,903.70, 86,859.60 and 22,838.80 is: 34,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.70 : 86,859.60 = 22,838.80 : x
  2. Step 2: Convert to fraction form
    57,903.70/86,859.60 = 22,838.80/x
  3. Step 3: Cross multiply
    57,903.70x = 86,859.60 × 22,838.80
  4. Step 4: Simplify right side
    57,903.70x = 1,983,769,032.48
  5. Step 5: Solve for x
    x = 1,983,769,032.48/57,903.70
  6. Step 6: Final answer
    x = 34,259.80

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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.