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Finding the Fourth Proportional to 10,394.69, 15,594.51 and 2,999.03

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Solution

The fourth proportional to 10,394.69, 15,594.51 and 2,999.03 is: 4,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.69 : 15,594.51 = 2,999.03 : x
  2. Step 2: Convert to fraction form
    10,394.69/15,594.51 = 2,999.03/x
  3. Step 3: Cross multiply
    10,394.69x = 15,594.51 × 2,999.03
  4. Step 4: Simplify right side
    10,394.69x = 46,768,403.33
  5. Step 5: Solve for x
    x = 46,768,403.33/10,394.69
  6. Step 6: Final answer
    x = 4,499.26

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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.