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Finding the Fourth Proportional to 32,783.53, 45,241.07 and 18,636.38

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Solution

The fourth proportional to 32,783.53, 45,241.07 and 18,636.38 is: 25,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.53 : 45,241.07 = 18,636.38 : x
  2. Step 2: Convert to fraction form
    32,783.53/45,241.07 = 18,636.38/x
  3. Step 3: Cross multiply
    32,783.53x = 45,241.07 × 18,636.38
  4. Step 4: Simplify right side
    32,783.53x = 843,129,452.74
  5. Step 5: Solve for x
    x = 843,129,452.74/32,783.53
  6. Step 6: Final answer
    x = 25,718.08

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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.