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Finding the Fourth Proportional to 15,379.53, 23,070.51 and 7,584.09

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Solution

The fourth proportional to 15,379.53, 23,070.51 and 7,584.09 is: 11,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.53 : 23,070.51 = 7,584.09 : x
  2. Step 2: Convert to fraction form
    15,379.53/23,070.51 = 7,584.09/x
  3. Step 3: Cross multiply
    15,379.53x = 23,070.51 × 7,584.09
  4. Step 4: Simplify right side
    15,379.53x = 174,968,824.19
  5. Step 5: Solve for x
    x = 174,968,824.19/15,379.53
  6. Step 6: Final answer
    x = 11,376.73

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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.