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Finding the Fourth Proportional to 70,764.94, 97,657.13 and 38,933.93

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Solution

The fourth proportional to 70,764.94, 97,657.13 and 38,933.93 is: 53,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,764.94 : 97,657.13 = 38,933.93 : x
  2. Step 2: Convert to fraction form
    70,764.94/97,657.13 = 38,933.93/x
  3. Step 3: Cross multiply
    70,764.94x = 97,657.13 × 38,933.93
  4. Step 4: Simplify right side
    70,764.94x = 3,802,175,863.42
  5. Step 5: Solve for x
    x = 3,802,175,863.42/70,764.94
  6. Step 6: Final answer
    x = 53,729.66

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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.