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Finding the Fourth Proportional to 27,980.49, 41,973.82 and 9,253.71

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Solution

The fourth proportional to 27,980.49, 41,973.82 and 9,253.71 is: 13,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980.49 : 41,973.82 = 9,253.71 : x
  2. Step 2: Convert to fraction form
    27,980.49/41,973.82 = 9,253.71/x
  3. Step 3: Cross multiply
    27,980.49x = 41,973.82 × 9,253.71
  4. Step 4: Simplify right side
    27,980.49x = 388,413,438.69
  5. Step 5: Solve for x
    x = 388,413,438.69/27,980.49
  6. Step 6: Final answer
    x = 13,881.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.