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Finding the Fourth Proportional to 19,574.44, 27,012.32 and 11,075.44

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Solution

The fourth proportional to 19,574.44, 27,012.32 and 11,075.44 is: 15,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.44 : 27,012.32 = 11,075.44 : x
  2. Step 2: Convert to fraction form
    19,574.44/27,012.32 = 11,075.44/x
  3. Step 3: Cross multiply
    19,574.44x = 27,012.32 × 11,075.44
  4. Step 4: Simplify right side
    19,574.44x = 299,173,329.42
  5. Step 5: Solve for x
    x = 299,173,329.42/19,574.44
  6. Step 6: Final answer
    x = 15,283.88

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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.