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Finding the Fourth Proportional to 53,602.54, 80,415.90 and 17,580.94

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Solution

The fourth proportional to 53,602.54, 80,415.90 and 17,580.94 is: 26,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,602.54 : 80,415.90 = 17,580.94 : x
  2. Step 2: Convert to fraction form
    53,602.54/80,415.90 = 17,580.94/x
  3. Step 3: Cross multiply
    53,602.54x = 80,415.90 × 17,580.94
  4. Step 4: Simplify right side
    53,602.54x = 1,413,787,112.95
  5. Step 5: Solve for x
    x = 1,413,787,112.95/53,602.54
  6. Step 6: Final answer
    x = 26,375.38

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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.