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Finding the Fourth Proportional to 66,558.24, 91,849.92 and 36,750.24

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Solution

The fourth proportional to 66,558.24, 91,849.92 and 36,750.24 is: 50,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558.24 : 91,849.92 = 36,750.24 : x
  2. Step 2: Convert to fraction form
    66,558.24/91,849.92 = 36,750.24/x
  3. Step 3: Cross multiply
    66,558.24x = 91,849.92 × 36,750.24
  4. Step 4: Simplify right side
    66,558.24x = 3,375,506,603.98
  5. Step 5: Solve for x
    x = 3,375,506,603.98/66,558.24
  6. Step 6: Final answer
    x = 50,715.08

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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.