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Finding the Fourth Proportional to 11,477.63, 17,127.71 and 10,235.13

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Solution

The fourth proportional to 11,477.63, 17,127.71 and 10,235.13 is: 15,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.63 : 17,127.71 = 10,235.13 : x
  2. Step 2: Convert to fraction form
    11,477.63/17,127.71 = 10,235.13/x
  3. Step 3: Cross multiply
    11,477.63x = 17,127.71 × 10,235.13
  4. Step 4: Simplify right side
    11,477.63x = 175,304,338.45
  5. Step 5: Solve for x
    x = 175,304,338.45/11,477.63
  6. Step 6: Final answer
    x = 15,273.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.