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Finding the Fourth Proportional to 19,807.44, 29,693.88 and 9,932.88

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Solution

The fourth proportional to 19,807.44, 29,693.88 and 9,932.88 is: 14,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.44 : 29,693.88 = 9,932.88 : x
  2. Step 2: Convert to fraction form
    19,807.44/29,693.88 = 9,932.88/x
  3. Step 3: Cross multiply
    19,807.44x = 29,693.88 × 9,932.88
  4. Step 4: Simplify right side
    19,807.44x = 294,945,746.77
  5. Step 5: Solve for x
    x = 294,945,746.77/19,807.44
  6. Step 6: Final answer
    x = 14,890.65

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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.