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Finding the Fourth Proportional to 16,700.78, 25,051.91 and 9,299.67

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Solution

The fourth proportional to 16,700.78, 25,051.91 and 9,299.67 is: 13,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,700.78 : 25,051.91 = 9,299.67 : x
  2. Step 2: Convert to fraction form
    16,700.78/25,051.91 = 9,299.67/x
  3. Step 3: Cross multiply
    16,700.78x = 25,051.91 × 9,299.67
  4. Step 4: Simplify right side
    16,700.78x = 232,974,449.37
  5. Step 5: Solve for x
    x = 232,974,449.37/16,700.78
  6. Step 6: Final answer
    x = 13,949.92

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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.