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Finding the Fourth Proportional to 29,415.74, 44,131.06 and 12,771.74

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Solution

The fourth proportional to 29,415.74, 44,131.06 and 12,771.74 is: 19,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.74 : 44,131.06 = 12,771.74 : x
  2. Step 2: Convert to fraction form
    29,415.74/44,131.06 = 12,771.74/x
  3. Step 3: Cross multiply
    29,415.74x = 44,131.06 × 12,771.74
  4. Step 4: Simplify right side
    29,415.74x = 563,630,424.24
  5. Step 5: Solve for x
    x = 563,630,424.24/29,415.74
  6. Step 6: Final answer
    x = 19,160.84

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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.