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Finding the Fourth Proportional to 17,898.71, 24,699.47 and 9,940.46

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Solution

The fourth proportional to 17,898.71, 24,699.47 and 9,940.46 is: 13,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.71 : 24,699.47 = 9,940.46 : x
  2. Step 2: Convert to fraction form
    17,898.71/24,699.47 = 9,940.46/x
  3. Step 3: Cross multiply
    17,898.71x = 24,699.47 × 9,940.46
  4. Step 4: Simplify right side
    17,898.71x = 245,523,920.36
  5. Step 5: Solve for x
    x = 245,523,920.36/17,898.71
  6. Step 6: Final answer
    x = 13,717.41

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1.5x scale

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.