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Finding the Fourth Proportional to 4,603.90, 6,309.11 and 4,161.02

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Solution

The fourth proportional to 4,603.90, 6,309.11 and 4,161.02 is: 5,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.90 : 6,309.11 = 4,161.02 : x
  2. Step 2: Convert to fraction form
    4,603.90/6,309.11 = 4,161.02/x
  3. Step 3: Cross multiply
    4,603.90x = 6,309.11 × 4,161.02
  4. Step 4: Simplify right side
    4,603.90x = 26,252,332.89
  5. Step 5: Solve for x
    x = 26,252,332.89/4,603.90
  6. Step 6: Final answer
    x = 5,702.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.