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Finding the Fourth Proportional to 66,749.95, 92,113.53 and 36,534.56

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Solution

The fourth proportional to 66,749.95, 92,113.53 and 36,534.56 is: 50,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,749.95 : 92,113.53 = 36,534.56 : x
  2. Step 2: Convert to fraction form
    66,749.95/92,113.53 = 36,534.56/x
  3. Step 3: Cross multiply
    66,749.95x = 92,113.53 × 36,534.56
  4. Step 4: Simplify right side
    66,749.95x = 3,365,327,288.60
  5. Step 5: Solve for x
    x = 3,365,327,288.60/66,749.95
  6. Step 6: Final answer
    x = 50,416.93

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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.