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Finding the Fourth Proportional to 35,319.59, 48,622.02 and 30,604.79

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Solution

The fourth proportional to 35,319.59, 48,622.02 and 30,604.79 is: 42,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.59 : 48,622.02 = 30,604.79 : x
  2. Step 2: Convert to fraction form
    35,319.59/48,622.02 = 30,604.79/x
  3. Step 3: Cross multiply
    35,319.59x = 48,622.02 × 30,604.79
  4. Step 4: Simplify right side
    35,319.59x = 1,488,066,616.92
  5. Step 5: Solve for x
    x = 1,488,066,616.92/35,319.59
  6. Step 6: Final answer
    x = 42,131.48

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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.