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Finding the Fourth Proportional to 25,766.88, 35,558.31 and 14,588.88

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Solution

The fourth proportional to 25,766.88, 35,558.31 and 14,588.88 is: 20,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,766.88 : 35,558.31 = 14,588.88 : x
  2. Step 2: Convert to fraction form
    25,766.88/35,558.31 = 14,588.88/x
  3. Step 3: Cross multiply
    25,766.88x = 35,558.31 × 14,588.88
  4. Step 4: Simplify right side
    25,766.88x = 518,755,917.59
  5. Step 5: Solve for x
    x = 518,755,917.59/25,766.88
  6. Step 6: Final answer
    x = 20,132.66

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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.