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Finding the Fourth Proportional to 35,950.68, 53,889.30 and 12,557.88

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Solution

The fourth proportional to 35,950.68, 53,889.30 and 12,557.88 is: 18,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,950.68 : 53,889.30 = 12,557.88 : x
  2. Step 2: Convert to fraction form
    35,950.68/53,889.30 = 12,557.88/x
  3. Step 3: Cross multiply
    35,950.68x = 53,889.30 × 12,557.88
  4. Step 4: Simplify right side
    35,950.68x = 676,735,362.68
  5. Step 5: Solve for x
    x = 676,735,362.68/35,950.68
  6. Step 6: Final answer
    x = 18,823.99

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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.