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Finding the Fourth Proportional to 33,232.40, 45,860.88 and 18,328.40

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Solution

The fourth proportional to 33,232.40, 45,860.88 and 18,328.40 is: 25,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,232.40 : 45,860.88 = 18,328.40 : x
  2. Step 2: Convert to fraction form
    33,232.40/45,860.88 = 18,328.40/x
  3. Step 3: Cross multiply
    33,232.40x = 45,860.88 × 18,328.40
  4. Step 4: Simplify right side
    33,232.40x = 840,556,552.99
  5. Step 5: Solve for x
    x = 840,556,552.99/33,232.40
  6. Step 6: Final answer
    x = 25,293.28

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1.5x scale

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.