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Finding the Fourth Proportional to 7,957.41, 10,980.41 and 4,420.23

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Solution

The fourth proportional to 7,957.41, 10,980.41 and 4,420.23 is: 6,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.41 : 10,980.41 = 4,420.23 : x
  2. Step 2: Convert to fraction form
    7,957.41/10,980.41 = 4,420.23/x
  3. Step 3: Cross multiply
    7,957.41x = 10,980.41 × 4,420.23
  4. Step 4: Simplify right side
    7,957.41x = 48,535,915.59
  5. Step 5: Solve for x
    x = 48,535,915.59/7,957.41
  6. Step 6: Final answer
    x = 6,099.46

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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.