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Finding the Fourth Proportional to 33,130, 45,736.32 and 25,559.32

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Solution

The fourth proportional to 33,130, 45,736.32 and 25,559.32 is: 35,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130 : 45,736.32 = 25,559.32 : x
  2. Step 2: Convert to fraction form
    33,130/45,736.32 = 25,559.32/x
  3. Step 3: Cross multiply
    33,130x = 45,736.32 × 25,559.32
  4. Step 4: Simplify right side
    33,130x = 1,168,989,238.50
  5. Step 5: Solve for x
    x = 1,168,989,238.50/33,130
  6. Step 6: Final answer
    x = 35,284.92

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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.