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Finding the Fourth Proportional to 6,922.99, 10,373.94 and 5,075.32

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Solution

The fourth proportional to 6,922.99, 10,373.94 and 5,075.32 is: 7,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.99 : 10,373.94 = 5,075.32 : x
  2. Step 2: Convert to fraction form
    6,922.99/10,373.94 = 5,075.32/x
  3. Step 3: Cross multiply
    6,922.99x = 10,373.94 × 5,075.32
  4. Step 4: Simplify right side
    6,922.99x = 52,651,065.16
  5. Step 5: Solve for x
    x = 52,651,065.16/6,922.99
  6. Step 6: Final answer
    x = 7,605.25

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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.