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Finding the Fourth Proportional to 2,903.85, 4,352.81 and 1,259.01

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Solution

The fourth proportional to 2,903.85, 4,352.81 and 1,259.01 is: 1,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.85 : 4,352.81 = 1,259.01 : x
  2. Step 2: Convert to fraction form
    2,903.85/4,352.81 = 1,259.01/x
  3. Step 3: Cross multiply
    2,903.85x = 4,352.81 × 1,259.01
  4. Step 4: Simplify right side
    2,903.85x = 5,480,225.02
  5. Step 5: Solve for x
    x = 5,480,225.02/2,903.85
  6. Step 6: Final answer
    x = 1,887.23

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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.