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Finding the Fourth Proportional to 37,998.52, 56,998.95 and 13,038.22

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Solution

The fourth proportional to 37,998.52, 56,998.95 and 13,038.22 is: 19,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,998.52 : 56,998.95 = 13,038.22 : x
  2. Step 2: Convert to fraction form
    37,998.52/56,998.95 = 13,038.22/x
  3. Step 3: Cross multiply
    37,998.52x = 56,998.95 × 13,038.22
  4. Step 4: Simplify right side
    37,998.52x = 743,164,564.87
  5. Step 5: Solve for x
    x = 743,164,564.87/37,998.52
  6. Step 6: Final answer
    x = 19,557.73

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1.5x scale

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.