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Finding the Fourth Proportional to 35,114.70, 48,456.78 and 19,199.40

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Solution

The fourth proportional to 35,114.70, 48,456.78 and 19,199.40 is: 26,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,114.70 : 48,456.78 = 19,199.40 : x
  2. Step 2: Convert to fraction form
    35,114.70/48,456.78 = 19,199.40/x
  3. Step 3: Cross multiply
    35,114.70x = 48,456.78 × 19,199.40
  4. Step 4: Simplify right side
    35,114.70x = 930,341,101.93
  5. Step 5: Solve for x
    x = 930,341,101.93/35,114.70
  6. Step 6: Final answer
    x = 26,494.35

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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.