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Finding the Fourth Proportional to 10,782.90, 14,879.03 and 6,066.27

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Solution

The fourth proportional to 10,782.90, 14,879.03 and 6,066.27 is: 8,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.90 : 14,879.03 = 6,066.27 : x
  2. Step 2: Convert to fraction form
    10,782.90/14,879.03 = 6,066.27/x
  3. Step 3: Cross multiply
    10,782.90x = 14,879.03 × 6,066.27
  4. Step 4: Simplify right side
    10,782.90x = 90,260,182.99
  5. Step 5: Solve for x
    x = 90,260,182.99/10,782.90
  6. Step 6: Final answer
    x = 8,370.68

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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.