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Finding the Fourth Proportional to 15,788.71, 23,685.22 and 5,792.16

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Solution

The fourth proportional to 15,788.71, 23,685.22 and 5,792.16 is: 8,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.71 : 23,685.22 = 5,792.16 : x
  2. Step 2: Convert to fraction form
    15,788.71/23,685.22 = 5,792.16/x
  3. Step 3: Cross multiply
    15,788.71x = 23,685.22 × 5,792.16
  4. Step 4: Simplify right side
    15,788.71x = 137,188,583.88
  5. Step 5: Solve for x
    x = 137,188,583.88/15,788.71
  6. Step 6: Final answer
    x = 8,689.03

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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.