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Finding the Fourth Proportional to 31,227.65, 46,847.25 and 9,885.74

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Solution

The fourth proportional to 31,227.65, 46,847.25 and 9,885.74 is: 14,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,227.65 : 46,847.25 = 9,885.74 : x
  2. Step 2: Convert to fraction form
    31,227.65/46,847.25 = 9,885.74/x
  3. Step 3: Cross multiply
    31,227.65x = 46,847.25 × 9,885.74
  4. Step 4: Simplify right side
    31,227.65x = 463,119,733.22
  5. Step 5: Solve for x
    x = 463,119,733.22/31,227.65
  6. Step 6: Final answer
    x = 14,830.44

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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.