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Finding the Fourth Proportional to 8,503.59, 12,754.67 and 2,955.99

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Solution

The fourth proportional to 8,503.59, 12,754.67 and 2,955.99 is: 4,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.59 : 12,754.67 = 2,955.99 : x
  2. Step 2: Convert to fraction form
    8,503.59/12,754.67 = 2,955.99/x
  3. Step 3: Cross multiply
    8,503.59x = 12,754.67 × 2,955.99
  4. Step 4: Simplify right side
    8,503.59x = 37,702,662.19
  5. Step 5: Solve for x
    x = 37,702,662.19/8,503.59
  6. Step 6: Final answer
    x = 4,433.73

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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.