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Finding the Fourth Proportional to 53,390.88, 80,085.24 and 15,951.06

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Solution

The fourth proportional to 53,390.88, 80,085.24 and 15,951.06 is: 23,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.88 : 80,085.24 = 15,951.06 : x
  2. Step 2: Convert to fraction form
    53,390.88/80,085.24 = 15,951.06/x
  3. Step 3: Cross multiply
    53,390.88x = 80,085.24 × 15,951.06
  4. Step 4: Simplify right side
    53,390.88x = 1,277,444,468.35
  5. Step 5: Solve for x
    x = 1,277,444,468.35/53,390.88
  6. Step 6: Final answer
    x = 23,926.27

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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.