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Finding the Fourth Proportional to 48,492.87, 66,904.60 and 29,366.54

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Solution

The fourth proportional to 48,492.87, 66,904.60 and 29,366.54 is: 40,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492.87 : 66,904.60 = 29,366.54 : x
  2. Step 2: Convert to fraction form
    48,492.87/66,904.60 = 29,366.54/x
  3. Step 3: Cross multiply
    48,492.87x = 66,904.60 × 29,366.54
  4. Step 4: Simplify right side
    48,492.87x = 1,964,756,612.08
  5. Step 5: Solve for x
    x = 1,964,756,612.08/48,492.87
  6. Step 6: Final answer
    x = 40,516.40

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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.