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Finding the Fourth Proportional to 31,304.70, 46,960.02 and 8,815.32

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Solution

The fourth proportional to 31,304.70, 46,960.02 and 8,815.32 is: 13,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.70 : 46,960.02 = 8,815.32 : x
  2. Step 2: Convert to fraction form
    31,304.70/46,960.02 = 8,815.32/x
  3. Step 3: Cross multiply
    31,304.70x = 46,960.02 × 8,815.32
  4. Step 4: Simplify right side
    31,304.70x = 413,967,603.51
  5. Step 5: Solve for x
    x = 413,967,603.51/31,304.70
  6. Step 6: Final answer
    x = 13,223.82

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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.