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Finding the Fourth Proportional to 35,975.84, 53,963.42 and 20,180.84

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Solution

The fourth proportional to 35,975.84, 53,963.42 and 20,180.84 is: 30,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,975.84 : 53,963.42 = 20,180.84 : x
  2. Step 2: Convert to fraction form
    35,975.84/53,963.42 = 20,180.84/x
  3. Step 3: Cross multiply
    35,975.84x = 53,963.42 × 20,180.84
  4. Step 4: Simplify right side
    35,975.84x = 1,089,026,774.15
  5. Step 5: Solve for x
    x = 1,089,026,774.15/35,975.84
  6. Step 6: Final answer
    x = 30,271.06

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1.5x scale

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.