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Finding the Fourth Proportional to 15,608.16, 23,401.31 and 5,746.16

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Solution

The fourth proportional to 15,608.16, 23,401.31 and 5,746.16 is: 8,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608.16 : 23,401.31 = 5,746.16 : x
  2. Step 2: Convert to fraction form
    15,608.16/23,401.31 = 5,746.16/x
  3. Step 3: Cross multiply
    15,608.16x = 23,401.31 × 5,746.16
  4. Step 4: Simplify right side
    15,608.16x = 134,467,671.47
  5. Step 5: Solve for x
    x = 134,467,671.47/15,608.16
  6. Step 6: Final answer
    x = 8,615.22

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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.