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Finding the Fourth Proportional to 16,859.77, 25,300.94 and 6,999.05

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Solution

The fourth proportional to 16,859.77, 25,300.94 and 6,999.05 is: 10,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.77 : 25,300.94 = 6,999.05 : x
  2. Step 2: Convert to fraction form
    16,859.77/25,300.94 = 6,999.05/x
  3. Step 3: Cross multiply
    16,859.77x = 25,300.94 × 6,999.05
  4. Step 4: Simplify right side
    16,859.77x = 177,082,572.36
  5. Step 5: Solve for x
    x = 177,082,572.36/16,859.77
  6. Step 6: Final answer
    x = 10,503.26

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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.