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Finding the Fourth Proportional to 5,792.76, 8,689.16 and 1,410.21

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Solution

The fourth proportional to 5,792.76, 8,689.16 and 1,410.21 is: 2,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.76 : 8,689.16 = 1,410.21 : x
  2. Step 2: Convert to fraction form
    5,792.76/8,689.16 = 1,410.21/x
  3. Step 3: Cross multiply
    5,792.76x = 8,689.16 × 1,410.21
  4. Step 4: Simplify right side
    5,792.76x = 12,253,533.27
  5. Step 5: Solve for x
    x = 12,253,533.27/5,792.76
  6. Step 6: Final answer
    x = 2,115.32

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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.