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Finding the Fourth Proportional to 61,578.63, 92,367.99 and 14,831.55

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Solution

The fourth proportional to 61,578.63, 92,367.99 and 14,831.55 is: 22,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,578.63 : 92,367.99 = 14,831.55 : x
  2. Step 2: Convert to fraction form
    61,578.63/92,367.99 = 14,831.55/x
  3. Step 3: Cross multiply
    61,578.63x = 92,367.99 × 14,831.55
  4. Step 4: Simplify right side
    61,578.63x = 1,369,960,462.08
  5. Step 5: Solve for x
    x = 1,369,960,462.08/61,578.63
  6. Step 6: Final answer
    x = 22,247.34

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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.