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Finding the Fourth Proportional to 15,369.19, 23,059.25 and 7,583.47

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Solution

The fourth proportional to 15,369.19, 23,059.25 and 7,583.47 is: 11,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.19 : 23,059.25 = 7,583.47 : x
  2. Step 2: Convert to fraction form
    15,369.19/23,059.25 = 7,583.47/x
  3. Step 3: Cross multiply
    15,369.19x = 23,059.25 × 7,583.47
  4. Step 4: Simplify right side
    15,369.19x = 174,869,063.47
  5. Step 5: Solve for x
    x = 174,869,063.47/15,369.19
  6. Step 6: Final answer
    x = 11,377.90

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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.