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Finding the Fourth Proportional to 52,799.64, 79,204.65 and 15,360.09

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Solution

The fourth proportional to 52,799.64, 79,204.65 and 15,360.09 is: 23,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,799.64 : 79,204.65 = 15,360.09 : x
  2. Step 2: Convert to fraction form
    52,799.64/79,204.65 = 15,360.09/x
  3. Step 3: Cross multiply
    52,799.64x = 79,204.65 × 15,360.09
  4. Step 4: Simplify right side
    52,799.64x = 1,216,590,552.42
  5. Step 5: Solve for x
    x = 1,216,590,552.42/52,799.64
  6. Step 6: Final answer
    x = 23,041.64

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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.