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Finding the Fourth Proportional to 16,968.74, 25,442.88 and 7,607.06

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Solution

The fourth proportional to 16,968.74, 25,442.88 and 7,607.06 is: 11,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.74 : 25,442.88 = 7,607.06 : x
  2. Step 2: Convert to fraction form
    16,968.74/25,442.88 = 7,607.06/x
  3. Step 3: Cross multiply
    16,968.74x = 25,442.88 × 7,607.06
  4. Step 4: Simplify right side
    16,968.74x = 193,545,578.34
  5. Step 5: Solve for x
    x = 193,545,578.34/16,968.74
  6. Step 6: Final answer
    x = 11,406.01

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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.