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Finding the Fourth Proportional to 4,674.97, 7,012.32 and 1,715.77

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Solution

The fourth proportional to 4,674.97, 7,012.32 and 1,715.77 is: 2,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.97 : 7,012.32 = 1,715.77 : x
  2. Step 2: Convert to fraction form
    4,674.97/7,012.32 = 1,715.77/x
  3. Step 3: Cross multiply
    4,674.97x = 7,012.32 × 1,715.77
  4. Step 4: Simplify right side
    4,674.97x = 12,031,528.29
  5. Step 5: Solve for x
    x = 12,031,528.29/4,674.97
  6. Step 6: Final answer
    x = 2,573.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.