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Finding the Fourth Proportional to 4,888.72, 6,746.43 and 2,650.67

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Solution

The fourth proportional to 4,888.72, 6,746.43 and 2,650.67 is: 3,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.72 : 6,746.43 = 2,650.67 : x
  2. Step 2: Convert to fraction form
    4,888.72/6,746.43 = 2,650.67/x
  3. Step 3: Cross multiply
    4,888.72x = 6,746.43 × 2,650.67
  4. Step 4: Simplify right side
    4,888.72x = 17,882,559.61
  5. Step 5: Solve for x
    x = 17,882,559.61/4,888.72
  6. Step 6: Final answer
    x = 3,657.92

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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.