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Finding the Fourth Proportional to 16,650.68, 24,980.34 and 8,330.36

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Solution

The fourth proportional to 16,650.68, 24,980.34 and 8,330.36 is: 12,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,650.68 : 24,980.34 = 8,330.36 : x
  2. Step 2: Convert to fraction form
    16,650.68/24,980.34 = 8,330.36/x
  3. Step 3: Cross multiply
    16,650.68x = 24,980.34 × 8,330.36
  4. Step 4: Simplify right side
    16,650.68x = 208,095,225.12
  5. Step 5: Solve for x
    x = 208,095,225.12/16,650.68
  6. Step 6: Final answer
    x = 12,497.70

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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.