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Finding the Fourth Proportional to 65,216.60, 97,861.35 and 27,770.30

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Solution

The fourth proportional to 65,216.60, 97,861.35 and 27,770.30 is: 41,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,216.60 : 97,861.35 = 27,770.30 : x
  2. Step 2: Convert to fraction form
    65,216.60/97,861.35 = 27,770.30/x
  3. Step 3: Cross multiply
    65,216.60x = 97,861.35 × 27,770.30
  4. Step 4: Simplify right side
    65,216.60x = 2,717,639,047.91
  5. Step 5: Solve for x
    x = 2,717,639,047.91/65,216.60
  6. Step 6: Final answer
    x = 41,670.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.