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Finding the Fourth Proportional to 13,392.93, 20,089.43 and 4,032.98

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Solution

The fourth proportional to 13,392.93, 20,089.43 and 4,032.98 is: 6,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.93 : 20,089.43 = 4,032.98 : x
  2. Step 2: Convert to fraction form
    13,392.93/20,089.43 = 4,032.98/x
  3. Step 3: Cross multiply
    13,392.93x = 20,089.43 × 4,032.98
  4. Step 4: Simplify right side
    13,392.93x = 81,020,269.40
  5. Step 5: Solve for x
    x = 81,020,269.40/13,392.93
  6. Step 6: Final answer
    x = 6,049.48

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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.