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Finding the Fourth Proportional to 5,703.21, 8,565.84 and 4,729.59

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Solution

The fourth proportional to 5,703.21, 8,565.84 and 4,729.59 is: 7,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.21 : 8,565.84 = 4,729.59 : x
  2. Step 2: Convert to fraction form
    5,703.21/8,565.84 = 4,729.59/x
  3. Step 3: Cross multiply
    5,703.21x = 8,565.84 × 4,729.59
  4. Step 4: Simplify right side
    5,703.21x = 40,512,911.21
  5. Step 5: Solve for x
    x = 40,512,911.21/5,703.21
  6. Step 6: Final answer
    x = 7,103.53

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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.