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Finding the Fourth Proportional to 9,474.75, 13,075.16 and 5,282.91

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Solution

The fourth proportional to 9,474.75, 13,075.16 and 5,282.91 is: 7,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,474.75 : 13,075.16 = 5,282.91 : x
  2. Step 2: Convert to fraction form
    9,474.75/13,075.16 = 5,282.91/x
  3. Step 3: Cross multiply
    9,474.75x = 13,075.16 × 5,282.91
  4. Step 4: Simplify right side
    9,474.75x = 69,074,867.10
  5. Step 5: Solve for x
    x = 69,074,867.10/9,474.75
  6. Step 6: Final answer
    x = 7,290.42

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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.