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Finding the Fourth Proportional to 11,004.90, 16,507.35 and 9,968.10

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Solution

The fourth proportional to 11,004.90, 16,507.35 and 9,968.10 is: 14,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.90 : 16,507.35 = 9,968.10 : x
  2. Step 2: Convert to fraction form
    11,004.90/16,507.35 = 9,968.10/x
  3. Step 3: Cross multiply
    11,004.90x = 16,507.35 × 9,968.10
  4. Step 4: Simplify right side
    11,004.90x = 164,546,915.54
  5. Step 5: Solve for x
    x = 164,546,915.54/11,004.90
  6. Step 6: Final answer
    x = 14,952.15

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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.