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Finding the Fourth Proportional to 16,886.99, 25,330.49 and 4,406.98

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Solution

The fourth proportional to 16,886.99, 25,330.49 and 4,406.98 is: 6,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.99 : 25,330.49 = 4,406.98 : x
  2. Step 2: Convert to fraction form
    16,886.99/25,330.49 = 4,406.98/x
  3. Step 3: Cross multiply
    16,886.99x = 25,330.49 × 4,406.98
  4. Step 4: Simplify right side
    16,886.99x = 111,630,814.13
  5. Step 5: Solve for x
    x = 111,630,814.13/16,886.99
  6. Step 6: Final answer
    x = 6,610.46

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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.