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Finding the Fourth Proportional to 61,108.76, 91,659.72 and 16,732.25

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Solution

The fourth proportional to 61,108.76, 91,659.72 and 16,732.25 is: 25,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,108.76 : 91,659.72 = 16,732.25 : x
  2. Step 2: Convert to fraction form
    61,108.76/91,659.72 = 16,732.25/x
  3. Step 3: Cross multiply
    61,108.76x = 91,659.72 × 16,732.25
  4. Step 4: Simplify right side
    61,108.76x = 1,533,673,579.12
  5. Step 5: Solve for x
    x = 1,533,673,579.12/61,108.76
  6. Step 6: Final answer
    x = 25,097.44

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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.