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Finding the Fourth Proportional to 56,610.80, 84,894.60 and 17,154.80

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Solution

The fourth proportional to 56,610.80, 84,894.60 and 17,154.80 is: 25,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,610.80 : 84,894.60 = 17,154.80 : x
  2. Step 2: Convert to fraction form
    56,610.80/84,894.60 = 17,154.80/x
  3. Step 3: Cross multiply
    56,610.80x = 84,894.60 × 17,154.80
  4. Step 4: Simplify right side
    56,610.80x = 1,456,349,884.08
  5. Step 5: Solve for x
    x = 1,456,349,884.08/56,610.80
  6. Step 6: Final answer
    x = 25,725.65

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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.