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Finding the Fourth Proportional to 4,984.07, 6,880.97 and 4,430.54

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Solution

The fourth proportional to 4,984.07, 6,880.97 and 4,430.54 is: 6,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.07 : 6,880.97 = 4,430.54 : x
  2. Step 2: Convert to fraction form
    4,984.07/6,880.97 = 4,430.54/x
  3. Step 3: Cross multiply
    4,984.07x = 6,880.97 × 4,430.54
  4. Step 4: Simplify right side
    4,984.07x = 30,486,441.10
  5. Step 5: Solve for x
    x = 30,486,441.10/4,984.07
  6. Step 6: Final answer
    x = 6,116.77

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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.