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Finding the Fourth Proportional to 17,873.66, 26,810.69 and 5,393.79

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Solution

The fourth proportional to 17,873.66, 26,810.69 and 5,393.79 is: 8,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.66 : 26,810.69 = 5,393.79 : x
  2. Step 2: Convert to fraction form
    17,873.66/26,810.69 = 5,393.79/x
  3. Step 3: Cross multiply
    17,873.66x = 26,810.69 × 5,393.79
  4. Step 4: Simplify right side
    17,873.66x = 144,611,151.10
  5. Step 5: Solve for x
    x = 144,611,151.10/17,873.66
  6. Step 6: Final answer
    x = 8,090.74

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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.