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Finding the Fourth Proportional to 65,607.12, 98,410.03 and 30,058.35

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Solution

The fourth proportional to 65,607.12, 98,410.03 and 30,058.35 is: 45,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,607.12 : 98,410.03 = 30,058.35 : x
  2. Step 2: Convert to fraction form
    65,607.12/98,410.03 = 30,058.35/x
  3. Step 3: Cross multiply
    65,607.12x = 98,410.03 × 30,058.35
  4. Step 4: Simplify right side
    65,607.12x = 2,958,043,050.10
  5. Step 5: Solve for x
    x = 2,958,043,050.10/65,607.12
  6. Step 6: Final answer
    x = 45,087.23

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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.