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Finding the Fourth Proportional to 56,482.46, 84,723.70 and 19,039.41

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Solution

The fourth proportional to 56,482.46, 84,723.70 and 19,039.41 is: 28,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.46 : 84,723.70 = 19,039.41 : x
  2. Step 2: Convert to fraction form
    56,482.46/84,723.70 = 19,039.41/x
  3. Step 3: Cross multiply
    56,482.46x = 84,723.70 × 19,039.41
  4. Step 4: Simplify right side
    56,482.46x = 1,613,089,261.02
  5. Step 5: Solve for x
    x = 1,613,089,261.02/56,482.46
  6. Step 6: Final answer
    x = 28,559.12

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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.