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Finding the Fourth Proportional to 31,303.58, 46,957.08 and 7,930.22

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Solution

The fourth proportional to 31,303.58, 46,957.08 and 7,930.22 is: 11,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.58 : 46,957.08 = 7,930.22 : x
  2. Step 2: Convert to fraction form
    31,303.58/46,957.08 = 7,930.22/x
  3. Step 3: Cross multiply
    31,303.58x = 46,957.08 × 7,930.22
  4. Step 4: Simplify right side
    31,303.58x = 372,379,974.96
  5. Step 5: Solve for x
    x = 372,379,974.96/31,303.58
  6. Step 6: Final answer
    x = 11,895.76

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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.