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Finding the Fourth Proportional to 4,888.08, 6,749.16 and 3,838.32

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Solution

The fourth proportional to 4,888.08, 6,749.16 and 3,838.32 is: 5,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.08 : 6,749.16 = 3,838.32 : x
  2. Step 2: Convert to fraction form
    4,888.08/6,749.16 = 3,838.32/x
  3. Step 3: Cross multiply
    4,888.08x = 6,749.16 × 3,838.32
  4. Step 4: Simplify right side
    4,888.08x = 25,905,435.81
  5. Step 5: Solve for x
    x = 25,905,435.81/4,888.08
  6. Step 6: Final answer
    x = 5,299.72

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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.