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Finding the Fourth Proportional to 56,430.44, 84,644.72 and 13,736.32

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Solution

The fourth proportional to 56,430.44, 84,644.72 and 13,736.32 is: 20,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430.44 : 84,644.72 = 13,736.32 : x
  2. Step 2: Convert to fraction form
    56,430.44/84,644.72 = 13,736.32/x
  3. Step 3: Cross multiply
    56,430.44x = 84,644.72 × 13,736.32
  4. Step 4: Simplify right side
    56,430.44x = 1,162,706,960.23
  5. Step 5: Solve for x
    x = 1,162,706,960.23/56,430.44
  6. Step 6: Final answer
    x = 20,604.25

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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.