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Finding the Fourth Proportional to 70,524.66, 97,330.17 and 38,699.76

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Solution

The fourth proportional to 70,524.66, 97,330.17 and 38,699.76 is: 53,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,524.66 : 97,330.17 = 38,699.76 : x
  2. Step 2: Convert to fraction form
    70,524.66/97,330.17 = 38,699.76/x
  3. Step 3: Cross multiply
    70,524.66x = 97,330.17 × 38,699.76
  4. Step 4: Simplify right side
    70,524.66x = 3,766,654,219.76
  5. Step 5: Solve for x
    x = 3,766,654,219.76/70,524.66
  6. Step 6: Final answer
    x = 53,409.04

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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.