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Finding the Fourth Proportional to 27,955.84, 41,804.16 and 21,644.32

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Solution

The fourth proportional to 27,955.84, 41,804.16 and 21,644.32 is: 32,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955.84 : 41,804.16 = 21,644.32 : x
  2. Step 2: Convert to fraction form
    27,955.84/41,804.16 = 21,644.32/x
  3. Step 3: Cross multiply
    27,955.84x = 41,804.16 × 21,644.32
  4. Step 4: Simplify right side
    27,955.84x = 904,822,616.37
  5. Step 5: Solve for x
    x = 904,822,616.37/27,955.84
  6. Step 6: Final answer
    x = 32,366.14

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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.