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Finding the Fourth Proportional to 56,486.44, 84,659.10 and 35,715.88

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Solution

The fourth proportional to 56,486.44, 84,659.10 and 35,715.88 is: 53,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,486.44 : 84,659.10 = 35,715.88 : x
  2. Step 2: Convert to fraction form
    56,486.44/84,659.10 = 35,715.88/x
  3. Step 3: Cross multiply
    56,486.44x = 84,659.10 × 35,715.88
  4. Step 4: Simplify right side
    56,486.44x = 3,023,674,256.51
  5. Step 5: Solve for x
    x = 3,023,674,256.51/56,486.44
  6. Step 6: Final answer
    x = 53,529.21

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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.