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Finding the Fourth Proportional to 70,108.64, 96,749.44 and 38,277.44

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Solution

The fourth proportional to 70,108.64, 96,749.44 and 38,277.44 is: 52,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,108.64 : 96,749.44 = 38,277.44 : x
  2. Step 2: Convert to fraction form
    70,108.64/96,749.44 = 38,277.44/x
  3. Step 3: Cross multiply
    70,108.64x = 96,749.44 × 38,277.44
  4. Step 4: Simplify right side
    70,108.64x = 3,703,320,884.63
  5. Step 5: Solve for x
    x = 3,703,320,884.63/70,108.64
  6. Step 6: Final answer
    x = 52,822.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.