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Finding the Fourth Proportional to 63,803.64, 95,715.99 and 19,420.23

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Solution

The fourth proportional to 63,803.64, 95,715.99 and 19,420.23 is: 29,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,803.64 : 95,715.99 = 19,420.23 : x
  2. Step 2: Convert to fraction form
    63,803.64/95,715.99 = 19,420.23/x
  3. Step 3: Cross multiply
    63,803.64x = 95,715.99 × 19,420.23
  4. Step 4: Simplify right side
    63,803.64x = 1,858,826,540.48
  5. Step 5: Solve for x
    x = 1,858,826,540.48/63,803.64
  6. Step 6: Final answer
    x = 29,133.55

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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.