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Finding the Fourth Proportional to 65,202.40, 97,803.60 and 25,739.20

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Solution

The fourth proportional to 65,202.40, 97,803.60 and 25,739.20 is: 38,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,202.40 : 97,803.60 = 25,739.20 : x
  2. Step 2: Convert to fraction form
    65,202.40/97,803.60 = 25,739.20/x
  3. Step 3: Cross multiply
    65,202.40x = 97,803.60 × 25,739.20
  4. Step 4: Simplify right side
    65,202.40x = 2,517,386,421.12
  5. Step 5: Solve for x
    x = 2,517,386,421.12/65,202.40
  6. Step 6: Final answer
    x = 38,608.80

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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.