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Finding the Fourth Proportional to 17,890.49, 24,688.98 and 9,824.49

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Solution

The fourth proportional to 17,890.49, 24,688.98 and 9,824.49 is: 13,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.49 : 24,688.98 = 9,824.49 : x
  2. Step 2: Convert to fraction form
    17,890.49/24,688.98 = 9,824.49/x
  3. Step 3: Cross multiply
    17,890.49x = 24,688.98 × 9,824.49
  4. Step 4: Simplify right side
    17,890.49x = 242,556,637.12
  5. Step 5: Solve for x
    x = 242,556,637.12/17,890.49
  6. Step 6: Final answer
    x = 13,557.85

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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.