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Finding the Fourth Proportional to 56,432.44, 84,647.72 and 13,738.32

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Solution

The fourth proportional to 56,432.44, 84,647.72 and 13,738.32 is: 20,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,432.44 : 84,647.72 = 13,738.32 : x
  2. Step 2: Convert to fraction form
    56,432.44/84,647.72 = 13,738.32/x
  3. Step 3: Cross multiply
    56,432.44x = 84,647.72 × 13,738.32
  4. Step 4: Simplify right side
    56,432.44x = 1,162,917,464.63
  5. Step 5: Solve for x
    x = 1,162,917,464.63/56,432.44
  6. Step 6: Final answer
    x = 20,607.25

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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.