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Finding the Fourth Proportional to 4,654.41, 6,978.98 and 1,533.57

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Solution

The fourth proportional to 4,654.41, 6,978.98 and 1,533.57 is: 2,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.41 : 6,978.98 = 1,533.57 : x
  2. Step 2: Convert to fraction form
    4,654.41/6,978.98 = 1,533.57/x
  3. Step 3: Cross multiply
    4,654.41x = 6,978.98 × 1,533.57
  4. Step 4: Simplify right side
    4,654.41x = 10,702,754.36
  5. Step 5: Solve for x
    x = 10,702,754.36/4,654.41
  6. Step 6: Final answer
    x = 2,299.49

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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.