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Finding the Fourth Proportional to 61,253.40, 91,883.24 and 16,879.17

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Solution

The fourth proportional to 61,253.40, 91,883.24 and 16,879.17 is: 25,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,253.40 : 91,883.24 = 16,879.17 : x
  2. Step 2: Convert to fraction form
    61,253.40/91,883.24 = 16,879.17/x
  3. Step 3: Cross multiply
    61,253.40x = 91,883.24 × 16,879.17
  4. Step 4: Simplify right side
    61,253.40x = 1,550,913,100.02
  5. Step 5: Solve for x
    x = 1,550,913,100.02/61,253.40
  6. Step 6: Final answer
    x = 25,319.62

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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.