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Finding the Fourth Proportional to 28,953, 43,410.06 and 13,362.12

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Solution

The fourth proportional to 28,953, 43,410.06 and 13,362.12 is: 20,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953 : 43,410.06 = 13,362.12 : x
  2. Step 2: Convert to fraction form
    28,953/43,410.06 = 13,362.12/x
  3. Step 3: Cross multiply
    28,953x = 43,410.06 × 13,362.12
  4. Step 4: Simplify right side
    28,953x = 580,050,430.93
  5. Step 5: Solve for x
    x = 580,050,430.93/28,953
  6. Step 6: Final answer
    x = 20,034.21

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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.