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Finding the Fourth Proportional to 53,229.52, 79,844.52 and 13,783.84

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Solution

The fourth proportional to 53,229.52, 79,844.52 and 13,783.84 is: 20,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.52 : 79,844.52 = 13,783.84 : x
  2. Step 2: Convert to fraction form
    53,229.52/79,844.52 = 13,783.84/x
  3. Step 3: Cross multiply
    53,229.52x = 79,844.52 × 13,783.84
  4. Step 4: Simplify right side
    53,229.52x = 1,100,564,088.56
  5. Step 5: Solve for x
    x = 1,100,564,088.56/53,229.52
  6. Step 6: Final answer
    x = 20,675.82

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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.