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Finding the Fourth Proportional to 17,686.47, 26,505.35 and 8,927.19

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Solution

The fourth proportional to 17,686.47, 26,505.35 and 8,927.19 is: 13,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.47 : 26,505.35 = 8,927.19 : x
  2. Step 2: Convert to fraction form
    17,686.47/26,505.35 = 8,927.19/x
  3. Step 3: Cross multiply
    17,686.47x = 26,505.35 × 8,927.19
  4. Step 4: Simplify right side
    17,686.47x = 236,618,250.83
  5. Step 5: Solve for x
    x = 236,618,250.83/17,686.47
  6. Step 6: Final answer
    x = 13,378.49

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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.