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Finding the Fourth Proportional to 5,801.73, 8,702.60 and 1,419.18

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Solution

The fourth proportional to 5,801.73, 8,702.60 and 1,419.18 is: 2,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.73 : 8,702.60 = 1,419.18 : x
  2. Step 2: Convert to fraction form
    5,801.73/8,702.60 = 1,419.18/x
  3. Step 3: Cross multiply
    5,801.73x = 8,702.60 × 1,419.18
  4. Step 4: Simplify right side
    5,801.73x = 12,350,548.77
  5. Step 5: Solve for x
    x = 12,350,548.77/5,801.73
  6. Step 6: Final answer
    x = 2,128.77

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1.5x scale

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.