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Finding the Fourth Proportional to 5,880.76, 8,818.89 and 1,931.08

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Solution

The fourth proportional to 5,880.76, 8,818.89 and 1,931.08 is: 2,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.76 : 8,818.89 = 1,931.08 : x
  2. Step 2: Convert to fraction form
    5,880.76/8,818.89 = 1,931.08/x
  3. Step 3: Cross multiply
    5,880.76x = 8,818.89 × 1,931.08
  4. Step 4: Simplify right side
    5,880.76x = 17,029,982.10
  5. Step 5: Solve for x
    x = 17,029,982.10/5,880.76
  6. Step 6: Final answer
    x = 2,895.88

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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.