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Finding the Fourth Proportional to 5,694.96, 8,541.48 and 1,590

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Solution

The fourth proportional to 5,694.96, 8,541.48 and 1,590 is: 2,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.96 : 8,541.48 = 1,590 : x
  2. Step 2: Convert to fraction form
    5,694.96/8,541.48 = 1,590/x
  3. Step 3: Cross multiply
    5,694.96x = 8,541.48 × 1,590
  4. Step 4: Simplify right side
    5,694.96x = 13,580,953.20
  5. Step 5: Solve for x
    x = 13,580,953.20/5,694.96
  6. Step 6: Final answer
    x = 2,384.73

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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.