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Finding the Fourth Proportional to 35,401.96, 48,854.85 and 20,294.96

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Solution

The fourth proportional to 35,401.96, 48,854.85 and 20,294.96 is: 28,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,401.96 : 48,854.85 = 20,294.96 : x
  2. Step 2: Convert to fraction form
    35,401.96/48,854.85 = 20,294.96/x
  3. Step 3: Cross multiply
    35,401.96x = 48,854.85 × 20,294.96
  4. Step 4: Simplify right side
    35,401.96x = 991,506,906.18
  5. Step 5: Solve for x
    x = 991,506,906.18/35,401.96
  6. Step 6: Final answer
    x = 28,007.12

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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.