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Finding the Fourth Proportional to 35,798.81, 49,402.37 and 19,884.74

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Solution

The fourth proportional to 35,798.81, 49,402.37 and 19,884.74 is: 27,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,798.81 : 49,402.37 = 19,884.74 : x
  2. Step 2: Convert to fraction form
    35,798.81/49,402.37 = 19,884.74/x
  3. Step 3: Cross multiply
    35,798.81x = 49,402.37 × 19,884.74
  4. Step 4: Simplify right side
    35,798.81x = 982,353,306.92
  5. Step 5: Solve for x
    x = 982,353,306.92/35,798.81
  6. Step 6: Final answer
    x = 27,440.95

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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.