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Finding the Fourth Proportional to 29,423.53, 44,135.79 and 12,783.56

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Solution

The fourth proportional to 29,423.53, 44,135.79 and 12,783.56 is: 19,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,423.53 : 44,135.79 = 12,783.56 : x
  2. Step 2: Convert to fraction form
    29,423.53/44,135.79 = 12,783.56/x
  3. Step 3: Cross multiply
    29,423.53x = 44,135.79 × 12,783.56
  4. Step 4: Simplify right side
    29,423.53x = 564,212,519.61
  5. Step 5: Solve for x
    x = 564,212,519.61/29,423.53
  6. Step 6: Final answer
    x = 19,175.56

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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.