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Finding the Fourth Proportional to 17,509.70, 26,260.54 and 5,029.63

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Solution

The fourth proportional to 17,509.70, 26,260.54 and 5,029.63 is: 7,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,509.70 : 26,260.54 = 5,029.63 : x
  2. Step 2: Convert to fraction form
    17,509.70/26,260.54 = 5,029.63/x
  3. Step 3: Cross multiply
    17,509.70x = 26,260.54 × 5,029.63
  4. Step 4: Simplify right side
    17,509.70x = 132,080,799.80
  5. Step 5: Solve for x
    x = 132,080,799.80/17,509.70
  6. Step 6: Final answer
    x = 7,543.29

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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.