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Finding the Fourth Proportional to 61,585.61, 92,378.41 and 14,838.48

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Solution

The fourth proportional to 61,585.61, 92,378.41 and 14,838.48 is: 22,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,585.61 : 92,378.41 = 14,838.48 : x
  2. Step 2: Convert to fraction form
    61,585.61/92,378.41 = 14,838.48/x
  3. Step 3: Cross multiply
    61,585.61x = 92,378.41 × 14,838.48
  4. Step 4: Simplify right side
    61,585.61x = 1,370,755,152.12
  5. Step 5: Solve for x
    x = 1,370,755,152.12/61,585.61
  6. Step 6: Final answer
    x = 22,257.72

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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.