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Finding the Fourth Proportional to 4,975.67, 7,445.28 and 4,708.64

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Solution

The fourth proportional to 4,975.67, 7,445.28 and 4,708.64 is: 7,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.67 : 7,445.28 = 4,708.64 : x
  2. Step 2: Convert to fraction form
    4,975.67/7,445.28 = 4,708.64/x
  3. Step 3: Cross multiply
    4,975.67x = 7,445.28 × 4,708.64
  4. Step 4: Simplify right side
    4,975.67x = 35,057,143.22
  5. Step 5: Solve for x
    x = 35,057,143.22/4,975.67
  6. Step 6: Final answer
    x = 7,045.71

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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.