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Finding the Fourth Proportional to 7,482.63, 10,325.82 and 4,125.42

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Solution

The fourth proportional to 7,482.63, 10,325.82 and 4,125.42 is: 5,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.63 : 10,325.82 = 4,125.42 : x
  2. Step 2: Convert to fraction form
    7,482.63/10,325.82 = 4,125.42/x
  3. Step 3: Cross multiply
    7,482.63x = 10,325.82 × 4,125.42
  4. Step 4: Simplify right side
    7,482.63x = 42,598,344.34
  5. Step 5: Solve for x
    x = 42,598,344.34/7,482.63
  6. Step 6: Final answer
    x = 5,692.96

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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.