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Finding the Fourth Proportional to 5,591.64, 8,384.76 and 1,695.18

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Solution

The fourth proportional to 5,591.64, 8,384.76 and 1,695.18 is: 2,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.64 : 8,384.76 = 1,695.18 : x
  2. Step 2: Convert to fraction form
    5,591.64/8,384.76 = 1,695.18/x
  3. Step 3: Cross multiply
    5,591.64x = 8,384.76 × 1,695.18
  4. Step 4: Simplify right side
    5,591.64x = 14,213,677.46
  5. Step 5: Solve for x
    x = 14,213,677.46/5,591.64
  6. Step 6: Final answer
    x = 2,541.95

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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.