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Finding the Fourth Proportional to 11,565.99, 17,348.99 and 2,800.89

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Solution

The fourth proportional to 11,565.99, 17,348.99 and 2,800.89 is: 4,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.99 : 17,348.99 = 2,800.89 : x
  2. Step 2: Convert to fraction form
    11,565.99/17,348.99 = 2,800.89/x
  3. Step 3: Cross multiply
    11,565.99x = 17,348.99 × 2,800.89
  4. Step 4: Simplify right side
    11,565.99x = 48,592,598.60
  5. Step 5: Solve for x
    x = 48,592,598.60/11,565.99
  6. Step 6: Final answer
    x = 4,201.34

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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.