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Finding the Fourth Proportional to 17,865.41, 26,798.21 and 7,332.71

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Solution

The fourth proportional to 17,865.41, 26,798.21 and 7,332.71 is: 10,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.41 : 26,798.21 = 7,332.71 : x
  2. Step 2: Convert to fraction form
    17,865.41/26,798.21 = 7,332.71/x
  3. Step 3: Cross multiply
    17,865.41x = 26,798.21 × 7,332.71
  4. Step 4: Simplify right side
    17,865.41x = 196,503,502.45
  5. Step 5: Solve for x
    x = 196,503,502.45/17,865.41
  6. Step 6: Final answer
    x = 10,999.10

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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.