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Finding the Fourth Proportional to 28,810.69, 43,216.03 and 8,034.19

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Solution

The fourth proportional to 28,810.69, 43,216.03 and 8,034.19 is: 12,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.69 : 43,216.03 = 8,034.19 : x
  2. Step 2: Convert to fraction form
    28,810.69/43,216.03 = 8,034.19/x
  3. Step 3: Cross multiply
    28,810.69x = 43,216.03 × 8,034.19
  4. Step 4: Simplify right side
    28,810.69x = 347,205,698.07
  5. Step 5: Solve for x
    x = 347,205,698.07/28,810.69
  6. Step 6: Final answer
    x = 12,051.28

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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.