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Finding the Fourth Proportional to 8,735.65, 12,054.84 and 4,958.74

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Solution

The fourth proportional to 8,735.65, 12,054.84 and 4,958.74 is: 6,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.65 : 12,054.84 = 4,958.74 : x
  2. Step 2: Convert to fraction form
    8,735.65/12,054.84 = 4,958.74/x
  3. Step 3: Cross multiply
    8,735.65x = 12,054.84 × 4,958.74
  4. Step 4: Simplify right side
    8,735.65x = 59,776,817.30
  5. Step 5: Solve for x
    x = 59,776,817.30/8,735.65
  6. Step 6: Final answer
    x = 6,842.86

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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.