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Finding the Fourth Proportional to 65,221.80, 97,832.70 and 23,663.40

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Solution

The fourth proportional to 65,221.80, 97,832.70 and 23,663.40 is: 35,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,221.80 : 97,832.70 = 23,663.40 : x
  2. Step 2: Convert to fraction form
    65,221.80/97,832.70 = 23,663.40/x
  3. Step 3: Cross multiply
    65,221.80x = 97,832.70 × 23,663.40
  4. Step 4: Simplify right side
    65,221.80x = 2,315,054,313.18
  5. Step 5: Solve for x
    x = 2,315,054,313.18/65,221.80
  6. Step 6: Final answer
    x = 35,495.10

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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.