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Finding the Fourth Proportional to 17,391.78, 26,101.50 and 6,301.64

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Solution

The fourth proportional to 17,391.78, 26,101.50 and 6,301.64 is: 9,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.78 : 26,101.50 = 6,301.64 : x
  2. Step 2: Convert to fraction form
    17,391.78/26,101.50 = 6,301.64/x
  3. Step 3: Cross multiply
    17,391.78x = 26,101.50 × 6,301.64
  4. Step 4: Simplify right side
    17,391.78x = 164,482,158.86
  5. Step 5: Solve for x
    x = 164,482,158.86/17,391.78
  6. Step 6: Final answer
    x = 9,457.47

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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.