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Finding the Fourth Proportional to 91,896.32, 126,794.76 and 53,644.88

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Solution

The fourth proportional to 91,896.32, 126,794.76 and 53,644.88 is: 74,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,896.32 : 126,794.76 = 53,644.88 : x
  2. Step 2: Convert to fraction form
    91,896.32/126,794.76 = 53,644.88/x
  3. Step 3: Cross multiply
    91,896.32x = 126,794.76 × 53,644.88
  4. Step 4: Simplify right side
    91,896.32x = 6,801,889,684.83
  5. Step 5: Solve for x
    x = 6,801,889,684.83/91,896.32
  6. Step 6: Final answer
    x = 74,017.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.