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Finding the Fourth Proportional to 19,889.37, 29,830.82 and 6,038.37

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Solution

The fourth proportional to 19,889.37, 29,830.82 and 6,038.37 is: 9,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.37 : 29,830.82 = 6,038.37 : x
  2. Step 2: Convert to fraction form
    19,889.37/29,830.82 = 6,038.37/x
  3. Step 3: Cross multiply
    19,889.37x = 29,830.82 × 6,038.37
  4. Step 4: Simplify right side
    19,889.37x = 180,129,498.37
  5. Step 5: Solve for x
    x = 180,129,498.37/19,889.37
  6. Step 6: Final answer
    x = 9,056.57

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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.