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Finding the Fourth Proportional to 57,433, 79,262.40 and 32,287.36

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Solution

The fourth proportional to 57,433, 79,262.40 and 32,287.36 is: 44,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,433 : 79,262.40 = 32,287.36 : x
  2. Step 2: Convert to fraction form
    57,433/79,262.40 = 32,287.36/x
  3. Step 3: Cross multiply
    57,433x = 79,262.40 × 32,287.36
  4. Step 4: Simplify right side
    57,433x = 2,559,173,643.26
  5. Step 5: Solve for x
    x = 2,559,173,643.26/57,433
  6. Step 6: Final answer
    x = 44,559.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.