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Finding the Fourth Proportional to 9,936.99, 14,903.64 and 2,915.46

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Solution

The fourth proportional to 9,936.99, 14,903.64 and 2,915.46 is: 4,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.99 : 14,903.64 = 2,915.46 : x
  2. Step 2: Convert to fraction form
    9,936.99/14,903.64 = 2,915.46/x
  3. Step 3: Cross multiply
    9,936.99x = 14,903.64 × 2,915.46
  4. Step 4: Simplify right side
    9,936.99x = 43,450,966.27
  5. Step 5: Solve for x
    x = 43,450,966.27/9,936.99
  6. Step 6: Final answer
    x = 4,372.65

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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.