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Finding the Fourth Proportional to 29,813.72, 44,719.60 and 12,270.32

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Solution

The fourth proportional to 29,813.72, 44,719.60 and 12,270.32 is: 18,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,813.72 : 44,719.60 = 12,270.32 : x
  2. Step 2: Convert to fraction form
    29,813.72/44,719.60 = 12,270.32/x
  3. Step 3: Cross multiply
    29,813.72x = 44,719.60 × 12,270.32
  4. Step 4: Simplify right side
    29,813.72x = 548,723,802.27
  5. Step 5: Solve for x
    x = 548,723,802.27/29,813.72
  6. Step 6: Final answer
    x = 18,405.08

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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.