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Finding the Fourth Proportional to 17,807.86, 26,711.04 and 4,659.94

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Solution

The fourth proportional to 17,807.86, 26,711.04 and 4,659.94 is: 6,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807.86 : 26,711.04 = 4,659.94 : x
  2. Step 2: Convert to fraction form
    17,807.86/26,711.04 = 4,659.94/x
  3. Step 3: Cross multiply
    17,807.86x = 26,711.04 × 4,659.94
  4. Step 4: Simplify right side
    17,807.86x = 124,471,710.18
  5. Step 5: Solve for x
    x = 124,471,710.18/17,807.86
  6. Step 6: Final answer
    x = 6,989.71

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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.