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Finding the Fourth Proportional to 56,808, 84,811.34 and 43,410.24

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Solution

The fourth proportional to 56,808, 84,811.34 and 43,410.24 is: 64,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,808 : 84,811.34 = 43,410.24 : x
  2. Step 2: Convert to fraction form
    56,808/84,811.34 = 43,410.24/x
  3. Step 3: Cross multiply
    56,808x = 84,811.34 × 43,410.24
  4. Step 4: Simplify right side
    56,808x = 3,681,680,407.07
  5. Step 5: Solve for x
    x = 3,681,680,407.07/56,808
  6. Step 6: Final answer
    x = 64,809.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.