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Finding the Fourth Proportional to 16,699.14, 25,014.69 and 7,907.40

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Solution

The fourth proportional to 16,699.14, 25,014.69 and 7,907.40 is: 11,844.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,699.14 : 25,014.69 = 7,907.40 : x
  2. Step 2: Convert to fraction form
    16,699.14/25,014.69 = 7,907.40/x
  3. Step 3: Cross multiply
    16,699.14x = 25,014.69 × 7,907.40
  4. Step 4: Simplify right side
    16,699.14x = 197,801,159.71
  5. Step 5: Solve for x
    x = 197,801,159.71/16,699.14
  6. Step 6: Final answer
    x = 11,844.99

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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.