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Finding the Fourth Proportional to 65,607.37, 98,410.40 and 30,058.60

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Solution

The fourth proportional to 65,607.37, 98,410.40 and 30,058.60 is: 45,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,607.37 : 98,410.40 = 30,058.60 : x
  2. Step 2: Convert to fraction form
    65,607.37/98,410.40 = 30,058.60/x
  3. Step 3: Cross multiply
    65,607.37x = 98,410.40 × 30,058.60
  4. Step 4: Simplify right side
    65,607.37x = 2,958,078,849.44
  5. Step 5: Solve for x
    x = 2,958,078,849.44/65,607.37
  6. Step 6: Final answer
    x = 45,087.60

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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.