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Finding the Fourth Proportional to 15,583.89, 23,379.33 and 7,259.63

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Solution

The fourth proportional to 15,583.89, 23,379.33 and 7,259.63 is: 10,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.89 : 23,379.33 = 7,259.63 : x
  2. Step 2: Convert to fraction form
    15,583.89/23,379.33 = 7,259.63/x
  3. Step 3: Cross multiply
    15,583.89x = 23,379.33 × 7,259.63
  4. Step 4: Simplify right side
    15,583.89x = 169,725,195.77
  5. Step 5: Solve for x
    x = 169,725,195.77/15,583.89
  6. Step 6: Final answer
    x = 10,891.06

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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.