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Finding the Fourth Proportional to 4,991.76, 7,483.01 and 1,702.53

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Solution

The fourth proportional to 4,991.76, 7,483.01 and 1,702.53 is: 2,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.76 : 7,483.01 = 1,702.53 : x
  2. Step 2: Convert to fraction form
    4,991.76/7,483.01 = 1,702.53/x
  3. Step 3: Cross multiply
    4,991.76x = 7,483.01 × 1,702.53
  4. Step 4: Simplify right side
    4,991.76x = 12,740,040.50
  5. Step 5: Solve for x
    x = 12,740,040.50/4,991.76
  6. Step 6: Final answer
    x = 2,552.21

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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.