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Finding the Fourth Proportional to 5,363.25, 8,045.15 and 1,900.77

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Solution

The fourth proportional to 5,363.25, 8,045.15 and 1,900.77 is: 2,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.25 : 8,045.15 = 1,900.77 : x
  2. Step 2: Convert to fraction form
    5,363.25/8,045.15 = 1,900.77/x
  3. Step 3: Cross multiply
    5,363.25x = 8,045.15 × 1,900.77
  4. Step 4: Simplify right side
    5,363.25x = 15,291,970.26
  5. Step 5: Solve for x
    x = 15,291,970.26/5,363.25
  6. Step 6: Final answer
    x = 2,851.25

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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.