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Finding the Fourth Proportional to 9,992.65, 14,914.87 and 8,652.46

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Solution

The fourth proportional to 9,992.65, 14,914.87 and 8,652.46 is: 12,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.65 : 14,914.87 = 8,652.46 : x
  2. Step 2: Convert to fraction form
    9,992.65/14,914.87 = 8,652.46/x
  3. Step 3: Cross multiply
    9,992.65x = 14,914.87 × 8,652.46
  4. Step 4: Simplify right side
    9,992.65x = 129,050,316.08
  5. Step 5: Solve for x
    x = 129,050,316.08/9,992.65
  6. Step 6: Final answer
    x = 12,914.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.