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Finding the Fourth Proportional to 65,235.40, 97,853.10 and 64,360.60

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Solution

The fourth proportional to 65,235.40, 97,853.10 and 64,360.60 is: 96,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,235.40 : 97,853.10 = 64,360.60 : x
  2. Step 2: Convert to fraction form
    65,235.40/97,853.10 = 64,360.60/x
  3. Step 3: Cross multiply
    65,235.40x = 97,853.10 × 64,360.60
  4. Step 4: Simplify right side
    65,235.40x = 6,297,884,227.86
  5. Step 5: Solve for x
    x = 6,297,884,227.86/65,235.40
  6. Step 6: Final answer
    x = 96,540.90

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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.