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Finding the Fourth Proportional to 5,570.46, 8,355.68 and 4,743.44

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Solution

The fourth proportional to 5,570.46, 8,355.68 and 4,743.44 is: 7,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.46 : 8,355.68 = 4,743.44 : x
  2. Step 2: Convert to fraction form
    5,570.46/8,355.68 = 4,743.44/x
  3. Step 3: Cross multiply
    5,570.46x = 8,355.68 × 4,743.44
  4. Step 4: Simplify right side
    5,570.46x = 39,634,666.74
  5. Step 5: Solve for x
    x = 39,634,666.74/5,570.46
  6. Step 6: Final answer
    x = 7,115.15

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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.