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Finding the Fourth Proportional to 43,594.29, 65,391.12 and 28,869.12

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Solution

The fourth proportional to 43,594.29, 65,391.12 and 28,869.12 is: 43,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,594.29 : 65,391.12 = 28,869.12 : x
  2. Step 2: Convert to fraction form
    43,594.29/65,391.12 = 28,869.12/x
  3. Step 3: Cross multiply
    43,594.29x = 65,391.12 × 28,869.12
  4. Step 4: Simplify right side
    43,594.29x = 1,887,784,090.21
  5. Step 5: Solve for x
    x = 1,887,784,090.21/43,594.29
  6. Step 6: Final answer
    x = 43,303.47

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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.