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Finding the Fourth Proportional to 35,889.84, 53,841.96 and 12,510

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Solution

The fourth proportional to 35,889.84, 53,841.96 and 12,510 is: 18,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,889.84 : 53,841.96 = 12,510 : x
  2. Step 2: Convert to fraction form
    35,889.84/53,841.96 = 12,510/x
  3. Step 3: Cross multiply
    35,889.84x = 53,841.96 × 12,510
  4. Step 4: Simplify right side
    35,889.84x = 673,562,919.60
  5. Step 5: Solve for x
    x = 673,562,919.60/35,889.84
  6. Step 6: Final answer
    x = 18,767.51

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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.