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Finding the Fourth Proportional to 31,007.88, 46,503.64 and 13,473.64

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Solution

The fourth proportional to 31,007.88, 46,503.64 and 13,473.64 is: 20,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007.88 : 46,503.64 = 13,473.64 : x
  2. Step 2: Convert to fraction form
    31,007.88/46,503.64 = 13,473.64/x
  3. Step 3: Cross multiply
    31,007.88x = 46,503.64 × 13,473.64
  4. Step 4: Simplify right side
    31,007.88x = 626,573,304.05
  5. Step 5: Solve for x
    x = 626,573,304.05/31,007.88
  6. Step 6: Final answer
    x = 20,206.91

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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.