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Finding the Fourth Proportional to 4,950.76, 6,788.69 and 4,785.16

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Solution

The fourth proportional to 4,950.76, 6,788.69 and 4,785.16 is: 6,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.76 : 6,788.69 = 4,785.16 : x
  2. Step 2: Convert to fraction form
    4,950.76/6,788.69 = 4,785.16/x
  3. Step 3: Cross multiply
    4,950.76x = 6,788.69 × 4,785.16
  4. Step 4: Simplify right side
    4,950.76x = 32,484,967.84
  5. Step 5: Solve for x
    x = 32,484,967.84/4,950.76
  6. Step 6: Final answer
    x = 6,561.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.