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Finding the Fourth Proportional to 70,173.66, 96,838.47 and 38,342.82

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Solution

The fourth proportional to 70,173.66, 96,838.47 and 38,342.82 is: 52,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,173.66 : 96,838.47 = 38,342.82 : x
  2. Step 2: Convert to fraction form
    70,173.66/96,838.47 = 38,342.82/x
  3. Step 3: Cross multiply
    70,173.66x = 96,838.47 × 38,342.82
  4. Step 4: Simplify right side
    70,173.66x = 3,713,060,024.29
  5. Step 5: Solve for x
    x = 3,713,060,024.29/70,173.66
  6. Step 6: Final answer
    x = 52,912.45

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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.