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Finding the Fourth Proportional to 4,984.93, 7,477.40 and 4,343.41

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Solution

The fourth proportional to 4,984.93, 7,477.40 and 4,343.41 is: 6,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.93 : 7,477.40 = 4,343.41 : x
  2. Step 2: Convert to fraction form
    4,984.93/7,477.40 = 4,343.41/x
  3. Step 3: Cross multiply
    4,984.93x = 7,477.40 × 4,343.41
  4. Step 4: Simplify right side
    4,984.93x = 32,477,413.93
  5. Step 5: Solve for x
    x = 32,477,413.93/4,984.93
  6. Step 6: Final answer
    x = 6,515.12

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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.