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Finding the Fourth Proportional to 28,903.58, 43,361.22 and 16,429.58

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Solution

The fourth proportional to 28,903.58, 43,361.22 and 16,429.58 is: 24,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.58 : 43,361.22 = 16,429.58 : x
  2. Step 2: Convert to fraction form
    28,903.58/43,361.22 = 16,429.58/x
  3. Step 3: Cross multiply
    28,903.58x = 43,361.22 × 16,429.58
  4. Step 4: Simplify right side
    28,903.58x = 712,406,632.89
  5. Step 5: Solve for x
    x = 712,406,632.89/28,903.58
  6. Step 6: Final answer
    x = 24,647.70

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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.