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Finding the Fourth Proportional to 14,349.96, 19,804.78 and 8,063.55

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Solution

The fourth proportional to 14,349.96, 19,804.78 and 8,063.55 is: 11,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.96 : 19,804.78 = 8,063.55 : x
  2. Step 2: Convert to fraction form
    14,349.96/19,804.78 = 8,063.55/x
  3. Step 3: Cross multiply
    14,349.96x = 19,804.78 × 8,063.55
  4. Step 4: Simplify right side
    14,349.96x = 159,696,833.77
  5. Step 5: Solve for x
    x = 159,696,833.77/14,349.96
  6. Step 6: Final answer
    x = 11,128.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.