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Finding the Fourth Proportional to 5,913.25, 8,858.05 and 5,124.17

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Solution

The fourth proportional to 5,913.25, 8,858.05 and 5,124.17 is: 7,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.25 : 8,858.05 = 5,124.17 : x
  2. Step 2: Convert to fraction form
    5,913.25/8,858.05 = 5,124.17/x
  3. Step 3: Cross multiply
    5,913.25x = 8,858.05 × 5,124.17
  4. Step 4: Simplify right side
    5,913.25x = 45,390,154.07
  5. Step 5: Solve for x
    x = 45,390,154.07/5,913.25
  6. Step 6: Final answer
    x = 7,676.01

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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.