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Finding the Fourth Proportional to 53,346.89, 79,993.44 and 17,795.88

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Solution

The fourth proportional to 53,346.89, 79,993.44 and 17,795.88 is: 26,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,346.89 : 79,993.44 = 17,795.88 : x
  2. Step 2: Convert to fraction form
    53,346.89/79,993.44 = 17,795.88/x
  3. Step 3: Cross multiply
    53,346.89x = 79,993.44 × 17,795.88
  4. Step 4: Simplify right side
    53,346.89x = 1,423,553,659.03
  5. Step 5: Solve for x
    x = 1,423,553,659.03/53,346.89
  6. Step 6: Final answer
    x = 26,684.85

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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.