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Finding the Fourth Proportional to 53,310, 79,877.46 and 18,230.52

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Solution

The fourth proportional to 53,310, 79,877.46 and 18,230.52 is: 27,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310 : 79,877.46 = 18,230.52 : x
  2. Step 2: Convert to fraction form
    53,310/79,877.46 = 18,230.52/x
  3. Step 3: Cross multiply
    53,310x = 79,877.46 × 18,230.52
  4. Step 4: Simplify right side
    53,310x = 1,456,207,632.08
  5. Step 5: Solve for x
    x = 1,456,207,632.08/53,310
  6. Step 6: Final answer
    x = 27,315.84

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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.