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Finding the Fourth Proportional to 63,427, 87,529.26 and 35,134.52

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Solution

The fourth proportional to 63,427, 87,529.26 and 35,134.52 is: 48,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,427 : 87,529.26 = 35,134.52 : x
  2. Step 2: Convert to fraction form
    63,427/87,529.26 = 35,134.52/x
  3. Step 3: Cross multiply
    63,427x = 87,529.26 × 35,134.52
  4. Step 4: Simplify right side
    63,427x = 3,075,298,536.06
  5. Step 5: Solve for x
    x = 3,075,298,536.06/63,427
  6. Step 6: Final answer
    x = 48,485.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.