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Finding the Fourth Proportional to 16,615.93, 24,924.05 and 4,929.15

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Solution

The fourth proportional to 16,615.93, 24,924.05 and 4,929.15 is: 7,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.93 : 24,924.05 = 4,929.15 : x
  2. Step 2: Convert to fraction form
    16,615.93/24,924.05 = 4,929.15/x
  3. Step 3: Cross multiply
    16,615.93x = 24,924.05 × 4,929.15
  4. Step 4: Simplify right side
    16,615.93x = 122,854,356.41
  5. Step 5: Solve for x
    x = 122,854,356.41/16,615.93
  6. Step 6: Final answer
    x = 7,393.77

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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.