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Finding the Fourth Proportional to 65,046.80, 97,570.20 and 64,355.60

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Solution

The fourth proportional to 65,046.80, 97,570.20 and 64,355.60 is: 96,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,046.80 : 97,570.20 = 64,355.60 : x
  2. Step 2: Convert to fraction form
    65,046.80/97,570.20 = 64,355.60/x
  3. Step 3: Cross multiply
    65,046.80x = 97,570.20 × 64,355.60
  4. Step 4: Simplify right side
    65,046.80x = 6,279,188,763.12
  5. Step 5: Solve for x
    x = 6,279,188,763.12/65,046.80
  6. Step 6: Final answer
    x = 96,533.40

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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.