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Finding the Fourth Proportional to 16,950.16, 25,430.76 and 8,186.08

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Solution

The fourth proportional to 16,950.16, 25,430.76 and 8,186.08 is: 12,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,950.16 : 25,430.76 = 8,186.08 : x
  2. Step 2: Convert to fraction form
    16,950.16/25,430.76 = 8,186.08/x
  3. Step 3: Cross multiply
    16,950.16x = 25,430.76 × 8,186.08
  4. Step 4: Simplify right side
    16,950.16x = 208,178,235.82
  5. Step 5: Solve for x
    x = 208,178,235.82/16,950.16
  6. Step 6: Final answer
    x = 12,281.79

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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.