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Finding the Fourth Proportional to 61,718.76, 92,578.28 and 22,303.71

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Solution

The fourth proportional to 61,718.76, 92,578.28 and 22,303.71 is: 33,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,718.76 : 92,578.28 = 22,303.71 : x
  2. Step 2: Convert to fraction form
    61,718.76/92,578.28 = 22,303.71/x
  3. Step 3: Cross multiply
    61,718.76x = 92,578.28 × 22,303.71
  4. Step 4: Simplify right side
    61,718.76x = 2,064,838,997.90
  5. Step 5: Solve for x
    x = 2,064,838,997.90/61,718.76
  6. Step 6: Final answer
    x = 33,455.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.