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Finding the Fourth Proportional to 7,271.70, 10,882.35 and 4,352.10

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Solution

The fourth proportional to 7,271.70, 10,882.35 and 4,352.10 is: 6,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.70 : 10,882.35 = 4,352.10 : x
  2. Step 2: Convert to fraction form
    7,271.70/10,882.35 = 4,352.10/x
  3. Step 3: Cross multiply
    7,271.70x = 10,882.35 × 4,352.10
  4. Step 4: Simplify right side
    7,271.70x = 47,361,075.44
  5. Step 5: Solve for x
    x = 47,361,075.44/7,271.70
  6. Step 6: Final answer
    x = 6,513.07

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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.