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Finding the Fourth Proportional to 38,770.99, 53,464.59 and 36,510.75

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Solution

The fourth proportional to 38,770.99, 53,464.59 and 36,510.75 is: 50,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,770.99 : 53,464.59 = 36,510.75 : x
  2. Step 2: Convert to fraction form
    38,770.99/53,464.59 = 36,510.75/x
  3. Step 3: Cross multiply
    38,770.99x = 53,464.59 × 36,510.75
  4. Step 4: Simplify right side
    38,770.99x = 1,952,032,279.34
  5. Step 5: Solve for x
    x = 1,952,032,279.34/38,770.99
  6. Step 6: Final answer
    x = 50,347.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.