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Finding the Fourth Proportional to 16,863.15, 25,302.42 and 7,004.64

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Solution

The fourth proportional to 16,863.15, 25,302.42 and 7,004.64 is: 10,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.15 : 25,302.42 = 7,004.64 : x
  2. Step 2: Convert to fraction form
    16,863.15/25,302.42 = 7,004.64/x
  3. Step 3: Cross multiply
    16,863.15x = 25,302.42 × 7,004.64
  4. Step 4: Simplify right side
    16,863.15x = 177,234,343.23
  5. Step 5: Solve for x
    x = 177,234,343.23/16,863.15
  6. Step 6: Final answer
    x = 10,510.16

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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.