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Finding the Fourth Proportional to 66,739.59, 92,096.64 and 36,518.90

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Solution

The fourth proportional to 66,739.59, 92,096.64 and 36,518.90 is: 50,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739.59 : 92,096.64 = 36,518.90 : x
  2. Step 2: Convert to fraction form
    66,739.59/92,096.64 = 36,518.90/x
  3. Step 3: Cross multiply
    66,739.59x = 92,096.64 × 36,518.90
  4. Step 4: Simplify right side
    66,739.59x = 3,363,267,526.01
  5. Step 5: Solve for x
    x = 3,363,267,526.01/66,739.59
  6. Step 6: Final answer
    x = 50,393.89

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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.