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Finding the Fourth Proportional to 70,838.44, 97,754.74 and 39,006.52

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Solution

The fourth proportional to 70,838.44, 97,754.74 and 39,006.52 is: 53,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,838.44 : 97,754.74 = 39,006.52 : x
  2. Step 2: Convert to fraction form
    70,838.44/97,754.74 = 39,006.52/x
  3. Step 3: Cross multiply
    70,838.44x = 97,754.74 × 39,006.52
  4. Step 4: Simplify right side
    70,838.44x = 3,813,071,879.00
  5. Step 5: Solve for x
    x = 3,813,071,879.00/70,838.44
  6. Step 6: Final answer
    x = 53,827.72

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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.