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Finding the Fourth Proportional to 70,676.64, 97,535.16 and 38,846.88

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Solution

The fourth proportional to 70,676.64, 97,535.16 and 38,846.88 is: 53,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,676.64 : 97,535.16 = 38,846.88 : x
  2. Step 2: Convert to fraction form
    70,676.64/97,535.16 = 38,846.88/x
  3. Step 3: Cross multiply
    70,676.64x = 97,535.16 × 38,846.88
  4. Step 4: Simplify right side
    70,676.64x = 3,788,936,656.30
  5. Step 5: Solve for x
    x = 3,788,936,656.30/70,676.64
  6. Step 6: Final answer
    x = 53,609.46

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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.