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Finding the Fourth Proportional to 16,601.91, 22,909.96 and 9,048.08

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Solution

The fourth proportional to 16,601.91, 22,909.96 and 9,048.08 is: 12,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.91 : 22,909.96 = 9,048.08 : x
  2. Step 2: Convert to fraction form
    16,601.91/22,909.96 = 9,048.08/x
  3. Step 3: Cross multiply
    16,601.91x = 22,909.96 × 9,048.08
  4. Step 4: Simplify right side
    16,601.91x = 207,291,036.33
  5. Step 5: Solve for x
    x = 207,291,036.33/16,601.91
  6. Step 6: Final answer
    x = 12,485.98

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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.