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Finding the Fourth Proportional to 5,666.02, 7,799.70 and 4,915.56

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Solution

The fourth proportional to 5,666.02, 7,799.70 and 4,915.56 is: 6,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.02 : 7,799.70 = 4,915.56 : x
  2. Step 2: Convert to fraction form
    5,666.02/7,799.70 = 4,915.56/x
  3. Step 3: Cross multiply
    5,666.02x = 7,799.70 × 4,915.56
  4. Step 4: Simplify right side
    5,666.02x = 38,339,893.33
  5. Step 5: Solve for x
    x = 38,339,893.33/5,666.02
  6. Step 6: Final answer
    x = 6,766.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.