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Finding the Fourth Proportional to 2,795.06, 4,192.55 and 715.05

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Solution

The fourth proportional to 2,795.06, 4,192.55 and 715.05 is: 1,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.06 : 4,192.55 = 715.05 : x
  2. Step 2: Convert to fraction form
    2,795.06/4,192.55 = 715.05/x
  3. Step 3: Cross multiply
    2,795.06x = 4,192.55 × 715.05
  4. Step 4: Simplify right side
    2,795.06x = 2,997,858.34
  5. Step 5: Solve for x
    x = 2,997,858.34/2,795.06
  6. Step 6: Final answer
    x = 1,072.56

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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.