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Finding the Fourth Proportional to 28,753.93, 43,134.90 and 9,034.03

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Solution

The fourth proportional to 28,753.93, 43,134.90 and 9,034.03 is: 13,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.93 : 43,134.90 = 9,034.03 : x
  2. Step 2: Convert to fraction form
    28,753.93/43,134.90 = 9,034.03/x
  3. Step 3: Cross multiply
    28,753.93x = 43,134.90 × 9,034.03
  4. Step 4: Simplify right side
    28,753.93x = 389,681,980.65
  5. Step 5: Solve for x
    x = 389,681,980.65/28,753.93
  6. Step 6: Final answer
    x = 13,552.30

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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.