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Finding the Fourth Proportional to 6,915.09, 9,550.80 and 5,035.08

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Solution

The fourth proportional to 6,915.09, 9,550.80 and 5,035.08 is: 6,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.09 : 9,550.80 = 5,035.08 : x
  2. Step 2: Convert to fraction form
    6,915.09/9,550.80 = 5,035.08/x
  3. Step 3: Cross multiply
    6,915.09x = 9,550.80 × 5,035.08
  4. Step 4: Simplify right side
    6,915.09x = 48,089,016.89
  5. Step 5: Solve for x
    x = 48,089,016.89/6,915.09
  6. Step 6: Final answer
    x = 6,954.21

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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.