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Finding the Fourth Proportional to 5,349.17, 7,383.88 and 4,788.64

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Solution

The fourth proportional to 5,349.17, 7,383.88 and 4,788.64 is: 6,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.17 : 7,383.88 = 4,788.64 : x
  2. Step 2: Convert to fraction form
    5,349.17/7,383.88 = 4,788.64/x
  3. Step 3: Cross multiply
    5,349.17x = 7,383.88 × 4,788.64
  4. Step 4: Simplify right side
    5,349.17x = 35,358,730.27
  5. Step 5: Solve for x
    x = 35,358,730.27/5,349.17
  6. Step 6: Final answer
    x = 6,610.13

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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.