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Finding the Fourth Proportional to 15,893.01, 23,839.11 and 7,578.90

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Solution

The fourth proportional to 15,893.01, 23,839.11 and 7,578.90 is: 11,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,893.01 : 23,839.11 = 7,578.90 : x
  2. Step 2: Convert to fraction form
    15,893.01/23,839.11 = 7,578.90/x
  3. Step 3: Cross multiply
    15,893.01x = 23,839.11 × 7,578.90
  4. Step 4: Simplify right side
    15,893.01x = 180,674,230.78
  5. Step 5: Solve for x
    x = 180,674,230.78/15,893.01
  6. Step 6: Final answer
    x = 11,368.16

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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.