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Finding the Fourth Proportional to 66,706.36, 92,054.06 and 36,492.28

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Solution

The fourth proportional to 66,706.36, 92,054.06 and 36,492.28 is: 50,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,706.36 : 92,054.06 = 36,492.28 : x
  2. Step 2: Convert to fraction form
    66,706.36/92,054.06 = 36,492.28/x
  3. Step 3: Cross multiply
    66,706.36x = 92,054.06 × 36,492.28
  4. Step 4: Simplify right side
    66,706.36x = 3,359,262,532.66
  5. Step 5: Solve for x
    x = 3,359,262,532.66/66,706.36
  6. Step 6: Final answer
    x = 50,358.95

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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.