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Finding the Fourth Proportional to 65,071.85, 97,607.10 and 33,490.76

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Solution

The fourth proportional to 65,071.85, 97,607.10 and 33,490.76 is: 50,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,071.85 : 97,607.10 = 33,490.76 : x
  2. Step 2: Convert to fraction form
    65,071.85/97,607.10 = 33,490.76/x
  3. Step 3: Cross multiply
    65,071.85x = 97,607.10 × 33,490.76
  4. Step 4: Simplify right side
    65,071.85x = 3,268,935,960.40
  5. Step 5: Solve for x
    x = 3,268,935,960.40/65,071.85
  6. Step 6: Final answer
    x = 50,235.79

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Double scale
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Similar ratio
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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.