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Finding the Fourth Proportional to 5,010.99, 6,915.23 and 3,123.33

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Solution

The fourth proportional to 5,010.99, 6,915.23 and 3,123.33 is: 4,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.99 : 6,915.23 = 3,123.33 : x
  2. Step 2: Convert to fraction form
    5,010.99/6,915.23 = 3,123.33/x
  3. Step 3: Cross multiply
    5,010.99x = 6,915.23 × 3,123.33
  4. Step 4: Simplify right side
    5,010.99x = 21,598,567.34
  5. Step 5: Solve for x
    x = 21,598,567.34/5,010.99
  6. Step 6: Final answer
    x = 4,310.24

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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.