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Finding the Fourth Proportional to 19,064.63, 26,309.18 and 11,612.63

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Solution

The fourth proportional to 19,064.63, 26,309.18 and 11,612.63 is: 16,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.63 : 26,309.18 = 11,612.63 : x
  2. Step 2: Convert to fraction form
    19,064.63/26,309.18 = 11,612.63/x
  3. Step 3: Cross multiply
    19,064.63x = 26,309.18 × 11,612.63
  4. Step 4: Simplify right side
    19,064.63x = 305,518,670.43
  5. Step 5: Solve for x
    x = 305,518,670.43/19,064.63
  6. Step 6: Final answer
    x = 16,025.42

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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.