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Finding the Fourth Proportional to 61,989.63, 92,984.04 and 17,007.47

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Solution

The fourth proportional to 61,989.63, 92,984.04 and 17,007.47 is: 25,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,989.63 : 92,984.04 = 17,007.47 : x
  2. Step 2: Convert to fraction form
    61,989.63/92,984.04 = 17,007.47/x
  3. Step 3: Cross multiply
    61,989.63x = 92,984.04 × 17,007.47
  4. Step 4: Simplify right side
    61,989.63x = 1,581,423,478.65
  5. Step 5: Solve for x
    x = 1,581,423,478.65/61,989.63
  6. Step 6: Final answer
    x = 25,511.10

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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.