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Finding the Fourth Proportional to 40,602.87, 60,916.61 and 18,410.29

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Solution

The fourth proportional to 40,602.87, 60,916.61 and 18,410.29 is: 27,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,602.87 : 60,916.61 = 18,410.29 : x
  2. Step 2: Convert to fraction form
    40,602.87/60,916.61 = 18,410.29/x
  3. Step 3: Cross multiply
    40,602.87x = 60,916.61 × 18,410.29
  4. Step 4: Simplify right side
    40,602.87x = 1,121,492,097.36
  5. Step 5: Solve for x
    x = 1,121,492,097.36/40,602.87
  6. Step 6: Final answer
    x = 27,621.01

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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.