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Finding the Fourth Proportional to 35,998.63, 49,681.56 and 20,084.56

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Solution

The fourth proportional to 35,998.63, 49,681.56 and 20,084.56 is: 27,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,998.63 : 49,681.56 = 20,084.56 : x
  2. Step 2: Convert to fraction form
    35,998.63/49,681.56 = 20,084.56/x
  3. Step 3: Cross multiply
    35,998.63x = 49,681.56 × 20,084.56
  4. Step 4: Simplify right side
    35,998.63x = 997,832,272.71
  5. Step 5: Solve for x
    x = 997,832,272.71/35,998.63
  6. Step 6: Final answer
    x = 27,718.62

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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.