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Finding the Fourth Proportional to 5,938.89, 8,908.40 and 1,556.79

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Solution

The fourth proportional to 5,938.89, 8,908.40 and 1,556.79 is: 2,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.89 : 8,908.40 = 1,556.79 : x
  2. Step 2: Convert to fraction form
    5,938.89/8,908.40 = 1,556.79/x
  3. Step 3: Cross multiply
    5,938.89x = 8,908.40 × 1,556.79
  4. Step 4: Simplify right side
    5,938.89x = 13,868,511.93
  5. Step 5: Solve for x
    x = 13,868,511.93/5,938.89
  6. Step 6: Final answer
    x = 2,335.20

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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.