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Finding the Fourth Proportional to 5,021.98, 7,532.85 and 4,869.75

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Solution

The fourth proportional to 5,021.98, 7,532.85 and 4,869.75 is: 7,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.98 : 7,532.85 = 4,869.75 : x
  2. Step 2: Convert to fraction form
    5,021.98/7,532.85 = 4,869.75/x
  3. Step 3: Cross multiply
    5,021.98x = 7,532.85 × 4,869.75
  4. Step 4: Simplify right side
    5,021.98x = 36,683,075.68
  5. Step 5: Solve for x
    x = 36,683,075.68/5,021.98
  6. Step 6: Final answer
    x = 7,304.50

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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.