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Finding the Fourth Proportional to 35,325.42, 48,749.76 and 19,408.92

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Solution

The fourth proportional to 35,325.42, 48,749.76 and 19,408.92 is: 26,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,325.42 : 48,749.76 = 19,408.92 : x
  2. Step 2: Convert to fraction form
    35,325.42/48,749.76 = 19,408.92/x
  3. Step 3: Cross multiply
    35,325.42x = 48,749.76 × 19,408.92
  4. Step 4: Simplify right side
    35,325.42x = 946,180,191.86
  5. Step 5: Solve for x
    x = 946,180,191.86/35,325.42
  6. Step 6: Final answer
    x = 26,784.68

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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.