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Finding the Fourth Proportional to 56,525.63, 84,800.45 and 21,464.51

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Solution

The fourth proportional to 56,525.63, 84,800.45 and 21,464.51 is: 32,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,525.63 : 84,800.45 = 21,464.51 : x
  2. Step 2: Convert to fraction form
    56,525.63/84,800.45 = 21,464.51/x
  3. Step 3: Cross multiply
    56,525.63x = 84,800.45 × 21,464.51
  4. Step 4: Simplify right side
    56,525.63x = 1,820,199,999.71
  5. Step 5: Solve for x
    x = 1,820,199,999.71/56,525.63
  6. Step 6: Final answer
    x = 32,201.32

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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.