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Finding the Fourth Proportional to 56,394.25, 84,597.09 and 20,864.95

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Solution

The fourth proportional to 56,394.25, 84,597.09 and 20,864.95 is: 31,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,394.25 : 84,597.09 = 20,864.95 : x
  2. Step 2: Convert to fraction form
    56,394.25/84,597.09 = 20,864.95/x
  3. Step 3: Cross multiply
    56,394.25x = 84,597.09 × 20,864.95
  4. Step 4: Simplify right side
    56,394.25x = 1,765,114,053.00
  5. Step 5: Solve for x
    x = 1,765,114,053.00/56,394.25
  6. Step 6: Final answer
    x = 31,299.54

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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.