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Finding the Fourth Proportional to 5,915.91, 8,880.03 and 4,357.68

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Solution

The fourth proportional to 5,915.91, 8,880.03 and 4,357.68 is: 6,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.91 : 8,880.03 = 4,357.68 : x
  2. Step 2: Convert to fraction form
    5,915.91/8,880.03 = 4,357.68/x
  3. Step 3: Cross multiply
    5,915.91x = 8,880.03 × 4,357.68
  4. Step 4: Simplify right side
    5,915.91x = 38,696,295.83
  5. Step 5: Solve for x
    x = 38,696,295.83/5,915.91
  6. Step 6: Final answer
    x = 6,541.05

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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.