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Finding the Fourth Proportional to 70,676.95, 97,536.05 and 38,846.70

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Solution

The fourth proportional to 70,676.95, 97,536.05 and 38,846.70 is: 53,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,676.95 : 97,536.05 = 38,846.70 : x
  2. Step 2: Convert to fraction form
    70,676.95/97,536.05 = 38,846.70/x
  3. Step 3: Cross multiply
    70,676.95x = 97,536.05 × 38,846.70
  4. Step 4: Simplify right side
    70,676.95x = 3,788,953,673.54
  5. Step 5: Solve for x
    x = 3,788,953,673.54/70,676.95
  6. Step 6: Final answer
    x = 53,609.47

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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.