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Finding the Fourth Proportional to 65,267.70, 97,901.55 and 61,331.10

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Solution

The fourth proportional to 65,267.70, 97,901.55 and 61,331.10 is: 91,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,267.70 : 97,901.55 = 61,331.10 : x
  2. Step 2: Convert to fraction form
    65,267.70/97,901.55 = 61,331.10/x
  3. Step 3: Cross multiply
    65,267.70x = 97,901.55 × 61,331.10
  4. Step 4: Simplify right side
    65,267.70x = 6,004,409,753.21
  5. Step 5: Solve for x
    x = 6,004,409,753.21/65,267.70
  6. Step 6: Final answer
    x = 91,996.65

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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.