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Finding the Fourth Proportional to 64,853.20, 97,279.80 and 23,294.80

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Solution

The fourth proportional to 64,853.20, 97,279.80 and 23,294.80 is: 34,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,853.20 : 97,279.80 = 23,294.80 : x
  2. Step 2: Convert to fraction form
    64,853.20/97,279.80 = 23,294.80/x
  3. Step 3: Cross multiply
    64,853.20x = 97,279.80 × 23,294.80
  4. Step 4: Simplify right side
    64,853.20x = 2,266,113,485.04
  5. Step 5: Solve for x
    x = 2,266,113,485.04/64,853.20
  6. Step 6: Final answer
    x = 34,942.20

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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.