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Finding the Fourth Proportional to 65,046.40, 97,569.60 and 20,676.40

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Solution

The fourth proportional to 65,046.40, 97,569.60 and 20,676.40 is: 31,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,046.40 : 97,569.60 = 20,676.40 : x
  2. Step 2: Convert to fraction form
    65,046.40/97,569.60 = 20,676.40/x
  3. Step 3: Cross multiply
    65,046.40x = 97,569.60 × 20,676.40
  4. Step 4: Simplify right side
    65,046.40x = 2,017,388,077.44
  5. Step 5: Solve for x
    x = 2,017,388,077.44/65,046.40
  6. Step 6: Final answer
    x = 31,014.60

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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.