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Finding the Fourth Proportional to 31,065.29, 46,599.45 and 8,881.92

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Solution

The fourth proportional to 31,065.29, 46,599.45 and 8,881.92 is: 13,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065.29 : 46,599.45 = 8,881.92 : x
  2. Step 2: Convert to fraction form
    31,065.29/46,599.45 = 8,881.92/x
  3. Step 3: Cross multiply
    31,065.29x = 46,599.45 × 8,881.92
  4. Step 4: Simplify right side
    31,065.29x = 413,892,586.94
  5. Step 5: Solve for x
    x = 413,892,586.94/31,065.29
  6. Step 6: Final answer
    x = 13,323.32

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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.