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Finding the Fourth Proportional to 65,065.92, 97,597.52 and 20,692.76

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Solution

The fourth proportional to 65,065.92, 97,597.52 and 20,692.76 is: 31,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,065.92 : 97,597.52 = 20,692.76 : x
  2. Step 2: Convert to fraction form
    65,065.92/97,597.52 = 20,692.76/x
  3. Step 3: Cross multiply
    65,065.92x = 97,597.52 × 20,692.76
  4. Step 4: Simplify right side
    65,065.92x = 2,019,562,057.96
  5. Step 5: Solve for x
    x = 2,019,562,057.96/65,065.92
  6. Step 6: Final answer
    x = 31,038.71

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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.