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Finding the Fourth Proportional to 65,218.80, 97,828.20 and 23,660.40

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Solution

The fourth proportional to 65,218.80, 97,828.20 and 23,660.40 is: 35,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218.80 : 97,828.20 = 23,660.40 : x
  2. Step 2: Convert to fraction form
    65,218.80/97,828.20 = 23,660.40/x
  3. Step 3: Cross multiply
    65,218.80x = 97,828.20 × 23,660.40
  4. Step 4: Simplify right side
    65,218.80x = 2,314,654,343.28
  5. Step 5: Solve for x
    x = 2,314,654,343.28/65,218.80
  6. Step 6: Final answer
    x = 35,490.60

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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.