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Finding the Fourth Proportional to 3,302.68, 4,953.54 and 993.88

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Solution

The fourth proportional to 3,302.68, 4,953.54 and 993.88 is: 1,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.68 : 4,953.54 = 993.88 : x
  2. Step 2: Convert to fraction form
    3,302.68/4,953.54 = 993.88/x
  3. Step 3: Cross multiply
    3,302.68x = 4,953.54 × 993.88
  4. Step 4: Simplify right side
    3,302.68x = 4,923,224.34
  5. Step 5: Solve for x
    x = 4,923,224.34/3,302.68
  6. Step 6: Final answer
    x = 1,490.68

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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.