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Finding the Fourth Proportional to 7,486.10, 11,229.15 and 4,570.10

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Solution

The fourth proportional to 7,486.10, 11,229.15 and 4,570.10 is: 6,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.10 : 11,229.15 = 4,570.10 : x
  2. Step 2: Convert to fraction form
    7,486.10/11,229.15 = 4,570.10/x
  3. Step 3: Cross multiply
    7,486.10x = 11,229.15 × 4,570.10
  4. Step 4: Simplify right side
    7,486.10x = 51,318,338.42
  5. Step 5: Solve for x
    x = 51,318,338.42/7,486.10
  6. Step 6: Final answer
    x = 6,855.15

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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.