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Finding the Fourth Proportional to 10,782.59, 14,879.97 and 6,066.88

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Solution

The fourth proportional to 10,782.59, 14,879.97 and 6,066.88 is: 8,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.59 : 14,879.97 = 6,066.88 : x
  2. Step 2: Convert to fraction form
    10,782.59/14,879.97 = 6,066.88/x
  3. Step 3: Cross multiply
    10,782.59x = 14,879.97 × 6,066.88
  4. Step 4: Simplify right side
    10,782.59x = 90,274,955.19
  5. Step 5: Solve for x
    x = 90,274,955.19/10,782.59
  6. Step 6: Final answer
    x = 8,372.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.