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Finding the Fourth Proportional to 10,299.95, 15,449.93 and 3,725.99

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Solution

The fourth proportional to 10,299.95, 15,449.93 and 3,725.99 is: 5,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.95 : 15,449.93 = 3,725.99 : x
  2. Step 2: Convert to fraction form
    10,299.95/15,449.93 = 3,725.99/x
  3. Step 3: Cross multiply
    10,299.95x = 15,449.93 × 3,725.99
  4. Step 4: Simplify right side
    10,299.95x = 57,566,188.80
  5. Step 5: Solve for x
    x = 57,566,188.80/10,299.95
  6. Step 6: Final answer
    x = 5,588.98

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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.