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Finding the Fourth Proportional to 3,803.77, 5,705.21 and 1,030.28

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Solution

The fourth proportional to 3,803.77, 5,705.21 and 1,030.28 is: 1,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.77 : 5,705.21 = 1,030.28 : x
  2. Step 2: Convert to fraction form
    3,803.77/5,705.21 = 1,030.28/x
  3. Step 3: Cross multiply
    3,803.77x = 5,705.21 × 1,030.28
  4. Step 4: Simplify right side
    3,803.77x = 5,877,937.81
  5. Step 5: Solve for x
    x = 5,877,937.81/3,803.77
  6. Step 6: Final answer
    x = 1,545.29

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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.