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Finding the Fourth Proportional to 16,657.66, 24,986.49 and 4,345.66

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Solution

The fourth proportional to 16,657.66, 24,986.49 and 4,345.66 is: 6,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,657.66 : 24,986.49 = 4,345.66 : x
  2. Step 2: Convert to fraction form
    16,657.66/24,986.49 = 4,345.66/x
  3. Step 3: Cross multiply
    16,657.66x = 24,986.49 × 4,345.66
  4. Step 4: Simplify right side
    16,657.66x = 108,582,790.13
  5. Step 5: Solve for x
    x = 108,582,790.13/16,657.66
  6. Step 6: Final answer
    x = 6,518.49

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Similar ratio
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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.