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Finding the Fourth Proportional to 53,230.15, 79,822.04 and 15,271.04

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Solution

The fourth proportional to 53,230.15, 79,822.04 and 15,271.04 is: 22,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.15 : 79,822.04 = 15,271.04 : x
  2. Step 2: Convert to fraction form
    53,230.15/79,822.04 = 15,271.04/x
  3. Step 3: Cross multiply
    53,230.15x = 79,822.04 × 15,271.04
  4. Step 4: Simplify right side
    53,230.15x = 1,218,965,427.77
  5. Step 5: Solve for x
    x = 1,218,965,427.77/53,230.15
  6. Step 6: Final answer
    x = 22,899.91

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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.