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Finding the Fourth Proportional to 11,798.76, 17,698.28 and 4,008.18

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Solution

The fourth proportional to 11,798.76, 17,698.28 and 4,008.18 is: 6,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.76 : 17,698.28 = 4,008.18 : x
  2. Step 2: Convert to fraction form
    11,798.76/17,698.28 = 4,008.18/x
  3. Step 3: Cross multiply
    11,798.76x = 17,698.28 × 4,008.18
  4. Step 4: Simplify right side
    11,798.76x = 70,937,891.93
  5. Step 5: Solve for x
    x = 70,937,891.93/11,798.76
  6. Step 6: Final answer
    x = 6,012.32

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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.