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Finding the Fourth Proportional to 8,478.51, 11,697.97 and 4,941.03

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Solution

The fourth proportional to 8,478.51, 11,697.97 and 4,941.03 is: 6,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478.51 : 11,697.97 = 4,941.03 : x
  2. Step 2: Convert to fraction form
    8,478.51/11,697.97 = 4,941.03/x
  3. Step 3: Cross multiply
    8,478.51x = 11,697.97 × 4,941.03
  4. Step 4: Simplify right side
    8,478.51x = 57,800,061.49
  5. Step 5: Solve for x
    x = 57,800,061.49/8,478.51
  6. Step 6: Final answer
    x = 6,817.25

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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.