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Finding the Fourth Proportional to 12,703.73, 19,056.29 and 5,300.73

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Solution

The fourth proportional to 12,703.73, 19,056.29 and 5,300.73 is: 7,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.73 : 19,056.29 = 5,300.73 : x
  2. Step 2: Convert to fraction form
    12,703.73/19,056.29 = 5,300.73/x
  3. Step 3: Cross multiply
    12,703.73x = 19,056.29 × 5,300.73
  4. Step 4: Simplify right side
    12,703.73x = 101,012,221.59
  5. Step 5: Solve for x
    x = 101,012,221.59/12,703.73
  6. Step 6: Final answer
    x = 7,951.39

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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.