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Finding the Fourth Proportional to 16,859.84, 25,301.07 and 6,999.12

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Solution

The fourth proportional to 16,859.84, 25,301.07 and 6,999.12 is: 10,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.84 : 25,301.07 = 6,999.12 : x
  2. Step 2: Convert to fraction form
    16,859.84/25,301.07 = 6,999.12/x
  3. Step 3: Cross multiply
    16,859.84x = 25,301.07 × 6,999.12
  4. Step 4: Simplify right side
    16,859.84x = 177,085,225.06
  5. Step 5: Solve for x
    x = 177,085,225.06/16,859.84
  6. Step 6: Final answer
    x = 10,503.38

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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.