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Finding the Fourth Proportional to 7,195.65, 9,858.07 and 6,925.99

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Solution

The fourth proportional to 7,195.65, 9,858.07 and 6,925.99 is: 9,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.65 : 9,858.07 = 6,925.99 : x
  2. Step 2: Convert to fraction form
    7,195.65/9,858.07 = 6,925.99/x
  3. Step 3: Cross multiply
    7,195.65x = 9,858.07 × 6,925.99
  4. Step 4: Simplify right side
    7,195.65x = 68,276,893.99
  5. Step 5: Solve for x
    x = 68,276,893.99/7,195.65
  6. Step 6: Final answer
    x = 9,488.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.