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Finding the Fourth Proportional to 5,068.72, 7,602 and 1,557.94

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Solution

The fourth proportional to 5,068.72, 7,602 and 1,557.94 is: 2,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.72 : 7,602 = 1,557.94 : x
  2. Step 2: Convert to fraction form
    5,068.72/7,602 = 1,557.94/x
  3. Step 3: Cross multiply
    5,068.72x = 7,602 × 1,557.94
  4. Step 4: Simplify right side
    5,068.72x = 11,843,459.88
  5. Step 5: Solve for x
    x = 11,843,459.88/5,068.72
  6. Step 6: Final answer
    x = 2,336.58

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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.