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Finding the Fourth Proportional to 12,133.93, 16,733.75 and 7,652.65

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Solution

The fourth proportional to 12,133.93, 16,733.75 and 7,652.65 is: 10,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.93 : 16,733.75 = 7,652.65 : x
  2. Step 2: Convert to fraction form
    12,133.93/16,733.75 = 7,652.65/x
  3. Step 3: Cross multiply
    12,133.93x = 16,733.75 × 7,652.65
  4. Step 4: Simplify right side
    12,133.93x = 128,057,493.67
  5. Step 5: Solve for x
    x = 128,057,493.67/12,133.93
  6. Step 6: Final answer
    x = 10,553.67

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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.