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Finding the Fourth Proportional to 17,307.45, 26,008.07 and 9,415.79

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Solution

The fourth proportional to 17,307.45, 26,008.07 and 9,415.79 is: 14,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,307.45 : 26,008.07 = 9,415.79 : x
  2. Step 2: Convert to fraction form
    17,307.45/26,008.07 = 9,415.79/x
  3. Step 3: Cross multiply
    17,307.45x = 26,008.07 × 9,415.79
  4. Step 4: Simplify right side
    17,307.45x = 244,886,525.43
  5. Step 5: Solve for x
    x = 244,886,525.43/17,307.45
  6. Step 6: Final answer
    x = 14,149.20

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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.