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Finding the Fourth Proportional to 16,999.56, 25,509.06 and 6,610.50

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Solution

The fourth proportional to 16,999.56, 25,509.06 and 6,610.50 is: 9,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.56 : 25,509.06 = 6,610.50 : x
  2. Step 2: Convert to fraction form
    16,999.56/25,509.06 = 6,610.50/x
  3. Step 3: Cross multiply
    16,999.56x = 25,509.06 × 6,610.50
  4. Step 4: Simplify right side
    16,999.56x = 168,627,641.13
  5. Step 5: Solve for x
    x = 168,627,641.13/16,999.56
  6. Step 6: Final answer
    x = 9,919.53

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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.