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Finding the Fourth Proportional to 8,332.96, 12,491.16 and 4,636.88

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Solution

The fourth proportional to 8,332.96, 12,491.16 and 4,636.88 is: 6,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.96 : 12,491.16 = 4,636.88 : x
  2. Step 2: Convert to fraction form
    8,332.96/12,491.16 = 4,636.88/x
  3. Step 3: Cross multiply
    8,332.96x = 12,491.16 × 4,636.88
  4. Step 4: Simplify right side
    8,332.96x = 57,920,009.98
  5. Step 5: Solve for x
    x = 57,920,009.98/8,332.96
  6. Step 6: Final answer
    x = 6,950.71

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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.