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Finding the Fourth Proportional to 16,663.78, 24,999.72 and 4,976.92

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Solution

The fourth proportional to 16,663.78, 24,999.72 and 4,976.92 is: 7,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.78 : 24,999.72 = 4,976.92 : x
  2. Step 2: Convert to fraction form
    16,663.78/24,999.72 = 4,976.92/x
  3. Step 3: Cross multiply
    16,663.78x = 24,999.72 × 4,976.92
  4. Step 4: Simplify right side
    16,663.78x = 124,421,606.46
  5. Step 5: Solve for x
    x = 124,421,606.46/16,663.78
  6. Step 6: Final answer
    x = 7,466.59

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1.5x scale

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.