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Finding the Fourth Proportional to 6,290.89, 9,436.35 and 1,673.89

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Solution

The fourth proportional to 6,290.89, 9,436.35 and 1,673.89 is: 2,510.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.89 : 9,436.35 = 1,673.89 : x
  2. Step 2: Convert to fraction form
    6,290.89/9,436.35 = 1,673.89/x
  3. Step 3: Cross multiply
    6,290.89x = 9,436.35 × 1,673.89
  4. Step 4: Simplify right side
    6,290.89x = 15,795,411.90
  5. Step 5: Solve for x
    x = 15,795,411.90/6,290.89
  6. Step 6: Final answer
    x = 2,510.84

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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.