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Finding the Fourth Proportional to 5,333.88, 7,370.88 and 4,005.30

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Solution

The fourth proportional to 5,333.88, 7,370.88 and 4,005.30 is: 5,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.88 : 7,370.88 = 4,005.30 : x
  2. Step 2: Convert to fraction form
    5,333.88/7,370.88 = 4,005.30/x
  3. Step 3: Cross multiply
    5,333.88x = 7,370.88 × 4,005.30
  4. Step 4: Simplify right side
    5,333.88x = 29,522,585.66
  5. Step 5: Solve for x
    x = 29,522,585.66/5,333.88
  6. Step 6: Final answer
    x = 5,534.92

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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.