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Finding the Fourth Proportional to 57,774.74, 79,729.67 and 33,901.82

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Solution

The fourth proportional to 57,774.74, 79,729.67 and 33,901.82 is: 46,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,774.74 : 79,729.67 = 33,901.82 : x
  2. Step 2: Convert to fraction form
    57,774.74/79,729.67 = 33,901.82/x
  3. Step 3: Cross multiply
    57,774.74x = 79,729.67 × 33,901.82
  4. Step 4: Simplify right side
    57,774.74x = 2,702,980,607.11
  5. Step 5: Solve for x
    x = 2,702,980,607.11/57,774.74
  6. Step 6: Final answer
    x = 46,784.81

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1.5x scale

Why These Related Problems?

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