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Finding the Fourth Proportional to 29,783.20, 44,623.60 and 19,389.60

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Solution

The fourth proportional to 29,783.20, 44,623.60 and 19,389.60 is: 29,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,783.20 : 44,623.60 = 19,389.60 : x
  2. Step 2: Convert to fraction form
    29,783.20/44,623.60 = 19,389.60/x
  3. Step 3: Cross multiply
    29,783.20x = 44,623.60 × 19,389.60
  4. Step 4: Simplify right side
    29,783.20x = 865,233,754.56
  5. Step 5: Solve for x
    x = 865,233,754.56/29,783.20
  6. Step 6: Final answer
    x = 29,051.07

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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.