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Finding the Fourth Proportional to 13,073.94, 18,045.99 and 8,884.62

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Solution

The fourth proportional to 13,073.94, 18,045.99 and 8,884.62 is: 12,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.94 : 18,045.99 = 8,884.62 : x
  2. Step 2: Convert to fraction form
    13,073.94/18,045.99 = 8,884.62/x
  3. Step 3: Cross multiply
    13,073.94x = 18,045.99 × 8,884.62
  4. Step 4: Simplify right side
    13,073.94x = 160,331,763.67
  5. Step 5: Solve for x
    x = 160,331,763.67/13,073.94
  6. Step 6: Final answer
    x = 12,263.46

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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.