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Finding the Fourth Proportional to 53,165.67, 79,748.50 and 15,722.83

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Solution

The fourth proportional to 53,165.67, 79,748.50 and 15,722.83 is: 23,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.67 : 79,748.50 = 15,722.83 : x
  2. Step 2: Convert to fraction form
    53,165.67/79,748.50 = 15,722.83/x
  3. Step 3: Cross multiply
    53,165.67x = 79,748.50 × 15,722.83
  4. Step 4: Simplify right side
    53,165.67x = 1,253,871,709.51
  5. Step 5: Solve for x
    x = 1,253,871,709.51/53,165.67
  6. Step 6: Final answer
    x = 23,584.24

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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.