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Finding the Fourth Proportional to 19,927.08, 29,876.04 and 6,775.92

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Solution

The fourth proportional to 19,927.08, 29,876.04 and 6,775.92 is: 10,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.08 : 29,876.04 = 6,775.92 : x
  2. Step 2: Convert to fraction form
    19,927.08/29,876.04 = 6,775.92/x
  3. Step 3: Cross multiply
    19,927.08x = 29,876.04 × 6,775.92
  4. Step 4: Simplify right side
    19,927.08x = 202,437,656.96
  5. Step 5: Solve for x
    x = 202,437,656.96/19,927.08
  6. Step 6: Final answer
    x = 10,158.92

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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.