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Finding the Fourth Proportional to 5,931.54, 8,188.80 and 4,438.89

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Solution

The fourth proportional to 5,931.54, 8,188.80 and 4,438.89 is: 6,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.54 : 8,188.80 = 4,438.89 : x
  2. Step 2: Convert to fraction form
    5,931.54/8,188.80 = 4,438.89/x
  3. Step 3: Cross multiply
    5,931.54x = 8,188.80 × 4,438.89
  4. Step 4: Simplify right side
    5,931.54x = 36,349,182.43
  5. Step 5: Solve for x
    x = 36,349,182.43/5,931.54
  6. Step 6: Final answer
    x = 6,128.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.