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Finding the Fourth Proportional to 16,859.16, 25,268.63 and 7,841.10

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Solution

The fourth proportional to 16,859.16, 25,268.63 and 7,841.10 is: 11,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.16 : 25,268.63 = 7,841.10 : x
  2. Step 2: Convert to fraction form
    16,859.16/25,268.63 = 7,841.10/x
  3. Step 3: Cross multiply
    16,859.16x = 25,268.63 × 7,841.10
  4. Step 4: Simplify right side
    16,859.16x = 198,133,854.69
  5. Step 5: Solve for x
    x = 198,133,854.69/16,859.16
  6. Step 6: Final answer
    x = 11,752.30

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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.