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Finding the Fourth Proportional to 5,915.28, 8,869.86 and 4,801.71

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Solution

The fourth proportional to 5,915.28, 8,869.86 and 4,801.71 is: 7,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.28 : 8,869.86 = 4,801.71 : x
  2. Step 2: Convert to fraction form
    5,915.28/8,869.86 = 4,801.71/x
  3. Step 3: Cross multiply
    5,915.28x = 8,869.86 × 4,801.71
  4. Step 4: Simplify right side
    5,915.28x = 42,590,495.46
  5. Step 5: Solve for x
    x = 42,590,495.46/5,915.28
  6. Step 6: Final answer
    x = 7,200.08

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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.