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Finding the Fourth Proportional to 28,361.93, 42,522.02 and 9,636.92

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Solution

The fourth proportional to 28,361.93, 42,522.02 and 9,636.92 is: 14,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.93 : 42,522.02 = 9,636.92 : x
  2. Step 2: Convert to fraction form
    28,361.93/42,522.02 = 9,636.92/x
  3. Step 3: Cross multiply
    28,361.93x = 42,522.02 × 9,636.92
  4. Step 4: Simplify right side
    28,361.93x = 409,781,256.79
  5. Step 5: Solve for x
    x = 409,781,256.79/28,361.93
  6. Step 6: Final answer
    x = 14,448.29

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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.