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Finding the Fourth Proportional to 65,016.95, 97,603.20 and 38,734.07

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Solution

The fourth proportional to 65,016.95, 97,603.20 and 38,734.07 is: 58,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,016.95 : 97,603.20 = 38,734.07 : x
  2. Step 2: Convert to fraction form
    65,016.95/97,603.20 = 38,734.07/x
  3. Step 3: Cross multiply
    65,016.95x = 97,603.20 × 38,734.07
  4. Step 4: Simplify right side
    65,016.95x = 3,780,568,693.01
  5. Step 5: Solve for x
    x = 3,780,568,693.01/65,016.95
  6. Step 6: Final answer
    x = 58,147.44

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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.