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Finding the Fourth Proportional to 17,898.84, 24,701.76 and 9,942.48

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Solution

The fourth proportional to 17,898.84, 24,701.76 and 9,942.48 is: 13,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.84 : 24,701.76 = 9,942.48 : x
  2. Step 2: Convert to fraction form
    17,898.84/24,701.76 = 9,942.48/x
  3. Step 3: Cross multiply
    17,898.84x = 24,701.76 × 9,942.48
  4. Step 4: Simplify right side
    17,898.84x = 245,596,754.76
  5. Step 5: Solve for x
    x = 245,596,754.76/17,898.84
  6. Step 6: Final answer
    x = 13,721.38

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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.