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Finding the Fourth Proportional to 12,503.50, 18,734.43 and 8,797.95

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Solution

The fourth proportional to 12,503.50, 18,734.43 and 8,797.95 is: 13,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.50 : 18,734.43 = 8,797.95 : x
  2. Step 2: Convert to fraction form
    12,503.50/18,734.43 = 8,797.95/x
  3. Step 3: Cross multiply
    12,503.50x = 18,734.43 × 8,797.95
  4. Step 4: Simplify right side
    12,503.50x = 164,824,482.89
  5. Step 5: Solve for x
    x = 164,824,482.89/12,503.50
  6. Step 6: Final answer
    x = 13,182.27

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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.