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Finding the Fourth Proportional to 4,859.33, 7,289.02 and 2,666.86

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Solution

The fourth proportional to 4,859.33, 7,289.02 and 2,666.86 is: 4,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.33 : 7,289.02 = 2,666.86 : x
  2. Step 2: Convert to fraction form
    4,859.33/7,289.02 = 2,666.86/x
  3. Step 3: Cross multiply
    4,859.33x = 7,289.02 × 2,666.86
  4. Step 4: Simplify right side
    4,859.33x = 19,438,795.88
  5. Step 5: Solve for x
    x = 19,438,795.88/4,859.33
  6. Step 6: Final answer
    x = 4,000.30

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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.