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Finding the Fourth Proportional to 28,984.31, 43,475.04 and 9,262.02

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Solution

The fourth proportional to 28,984.31, 43,475.04 and 9,262.02 is: 13,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.31 : 43,475.04 = 9,262.02 : x
  2. Step 2: Convert to fraction form
    28,984.31/43,475.04 = 9,262.02/x
  3. Step 3: Cross multiply
    28,984.31x = 43,475.04 × 9,262.02
  4. Step 4: Simplify right side
    28,984.31x = 402,666,689.98
  5. Step 5: Solve for x
    x = 402,666,689.98/28,984.31
  6. Step 6: Final answer
    x = 13,892.58

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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.