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Finding the Fourth Proportional to 35,406.64, 48,861.15 and 19,491.01

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Solution

The fourth proportional to 35,406.64, 48,861.15 and 19,491.01 is: 26,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.64 : 48,861.15 = 19,491.01 : x
  2. Step 2: Convert to fraction form
    35,406.64/48,861.15 = 19,491.01/x
  3. Step 3: Cross multiply
    35,406.64x = 48,861.15 × 19,491.01
  4. Step 4: Simplify right side
    35,406.64x = 952,353,163.26
  5. Step 5: Solve for x
    x = 952,353,163.26/35,406.64
  6. Step 6: Final answer
    x = 26,897.59

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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.