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Finding the Fourth Proportional to 2,530.65, 3,795.14 and 970.57

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Solution

The fourth proportional to 2,530.65, 3,795.14 and 970.57 is: 1,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.65 : 3,795.14 = 970.57 : x
  2. Step 2: Convert to fraction form
    2,530.65/3,795.14 = 970.57/x
  3. Step 3: Cross multiply
    2,530.65x = 3,795.14 × 970.57
  4. Step 4: Simplify right side
    2,530.65x = 3,683,449.03
  5. Step 5: Solve for x
    x = 3,683,449.03/2,530.65
  6. Step 6: Final answer
    x = 1,455.53

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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.