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Finding the Fourth Proportional to 33,809.64, 50,719.92 and 10,430.64

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Solution

The fourth proportional to 33,809.64, 50,719.92 and 10,430.64 is: 15,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,809.64 : 50,719.92 = 10,430.64 : x
  2. Step 2: Convert to fraction form
    33,809.64/50,719.92 = 10,430.64/x
  3. Step 3: Cross multiply
    33,809.64x = 50,719.92 × 10,430.64
  4. Step 4: Simplify right side
    33,809.64x = 529,041,226.35
  5. Step 5: Solve for x
    x = 529,041,226.35/33,809.64
  6. Step 6: Final answer
    x = 15,647.64

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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.