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Finding the Fourth Proportional to 35,699.99, 49,264.74 and 19,785.92

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Solution

The fourth proportional to 35,699.99, 49,264.74 and 19,785.92 is: 27,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,699.99 : 49,264.74 = 19,785.92 : x
  2. Step 2: Convert to fraction form
    35,699.99/49,264.74 = 19,785.92/x
  3. Step 3: Cross multiply
    35,699.99x = 49,264.74 × 19,785.92
  4. Step 4: Simplify right side
    35,699.99x = 974,747,958.14
  5. Step 5: Solve for x
    x = 974,747,958.14/35,699.99
  6. Step 6: Final answer
    x = 27,303.88

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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.