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Finding the Fourth Proportional to 53,310.80, 79,927.80 and 29,944.40

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Solution

The fourth proportional to 53,310.80, 79,927.80 and 29,944.40 is: 44,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.80 : 79,927.80 = 29,944.40 : x
  2. Step 2: Convert to fraction form
    53,310.80/79,927.80 = 29,944.40/x
  3. Step 3: Cross multiply
    53,310.80x = 79,927.80 × 29,944.40
  4. Step 4: Simplify right side
    53,310.80x = 2,393,390,014.32
  5. Step 5: Solve for x
    x = 2,393,390,014.32/53,310.80
  6. Step 6: Final answer
    x = 44,895.03

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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.