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Finding the Fourth Proportional to 17,663.61, 24,386.48 and 11,700.39

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Solution

The fourth proportional to 17,663.61, 24,386.48 and 11,700.39 is: 16,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,663.61 : 24,386.48 = 11,700.39 : x
  2. Step 2: Convert to fraction form
    17,663.61/24,386.48 = 11,700.39/x
  3. Step 3: Cross multiply
    17,663.61x = 24,386.48 × 11,700.39
  4. Step 4: Simplify right side
    17,663.61x = 285,331,326.73
  5. Step 5: Solve for x
    x = 285,331,326.73/17,663.61
  6. Step 6: Final answer
    x = 16,153.62

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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.