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Finding the Fourth Proportional to 35,245.83, 48,640.65 and 19,330.86

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Solution

The fourth proportional to 35,245.83, 48,640.65 and 19,330.86 is: 26,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,245.83 : 48,640.65 = 19,330.86 : x
  2. Step 2: Convert to fraction form
    35,245.83/48,640.65 = 19,330.86/x
  3. Step 3: Cross multiply
    35,245.83x = 48,640.65 × 19,330.86
  4. Step 4: Simplify right side
    35,245.83x = 940,265,595.46
  5. Step 5: Solve for x
    x = 940,265,595.46/35,245.83
  6. Step 6: Final answer
    x = 26,677.36

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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.