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Finding the Fourth Proportional to 7,383, 11,075.26 and 2,454.12

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Solution

The fourth proportional to 7,383, 11,075.26 and 2,454.12 is: 3,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383 : 11,075.26 = 2,454.12 : x
  2. Step 2: Convert to fraction form
    7,383/11,075.26 = 2,454.12/x
  3. Step 3: Cross multiply
    7,383x = 11,075.26 × 2,454.12
  4. Step 4: Simplify right side
    7,383x = 27,180,017.07
  5. Step 5: Solve for x
    x = 27,180,017.07/7,383
  6. Step 6: Final answer
    x = 3,681.43

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Double scale
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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.