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Finding the Fourth Proportional to 65,644.20, 98,466.30 and 26,207.40

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Solution

The fourth proportional to 65,644.20, 98,466.30 and 26,207.40 is: 39,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,644.20 : 98,466.30 = 26,207.40 : x
  2. Step 2: Convert to fraction form
    65,644.20/98,466.30 = 26,207.40/x
  3. Step 3: Cross multiply
    65,644.20x = 98,466.30 × 26,207.40
  4. Step 4: Simplify right side
    65,644.20x = 2,580,545,710.62
  5. Step 5: Solve for x
    x = 2,580,545,710.62/65,644.20
  6. Step 6: Final answer
    x = 39,311.10

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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.