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Finding the Fourth Proportional to 65,370.55, 97,969.66 and 25,906.13

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Solution

The fourth proportional to 65,370.55, 97,969.66 and 25,906.13 is: 38,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,370.55 : 97,969.66 = 25,906.13 : x
  2. Step 2: Convert to fraction form
    65,370.55/97,969.66 = 25,906.13/x
  3. Step 3: Cross multiply
    65,370.55x = 97,969.66 × 25,906.13
  4. Step 4: Simplify right side
    65,370.55x = 2,538,014,748.02
  5. Step 5: Solve for x
    x = 2,538,014,748.02/65,370.55
  6. Step 6: Final answer
    x = 38,825.05

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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.