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Finding the Fourth Proportional to 5,652.80, 8,479.67 and 1,953.53

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Solution

The fourth proportional to 5,652.80, 8,479.67 and 1,953.53 is: 2,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.80 : 8,479.67 = 1,953.53 : x
  2. Step 2: Convert to fraction form
    5,652.80/8,479.67 = 1,953.53/x
  3. Step 3: Cross multiply
    5,652.80x = 8,479.67 × 1,953.53
  4. Step 4: Simplify right side
    5,652.80x = 16,565,237.57
  5. Step 5: Solve for x
    x = 16,565,237.57/5,652.80
  6. Step 6: Final answer
    x = 2,930.45

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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.