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Finding the Fourth Proportional to 35,503.42, 48,993.90 and 19,587.86

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Solution

The fourth proportional to 35,503.42, 48,993.90 and 19,587.86 is: 27,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.42 : 48,993.90 = 19,587.86 : x
  2. Step 2: Convert to fraction form
    35,503.42/48,993.90 = 19,587.86/x
  3. Step 3: Cross multiply
    35,503.42x = 48,993.90 × 19,587.86
  4. Step 4: Simplify right side
    35,503.42x = 959,685,654.05
  5. Step 5: Solve for x
    x = 959,685,654.05/35,503.42
  6. Step 6: Final answer
    x = 27,030.79

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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.