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Finding the Fourth Proportional to 35,381.38, 48,825.50 and 19,465.48

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Solution

The fourth proportional to 35,381.38, 48,825.50 and 19,465.48 is: 26,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.38 : 48,825.50 = 19,465.48 : x
  2. Step 2: Convert to fraction form
    35,381.38/48,825.50 = 19,465.48/x
  3. Step 3: Cross multiply
    35,381.38x = 48,825.50 × 19,465.48
  4. Step 4: Simplify right side
    35,381.38x = 950,411,793.74
  5. Step 5: Solve for x
    x = 950,411,793.74/35,381.38
  6. Step 6: Final answer
    x = 26,861.92

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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.