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Finding the Fourth Proportional to 31,276.60, 46,914.93 and 7,903.04

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Solution

The fourth proportional to 31,276.60, 46,914.93 and 7,903.04 is: 11,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.60 : 46,914.93 = 7,903.04 : x
  2. Step 2: Convert to fraction form
    31,276.60/46,914.93 = 7,903.04/x
  3. Step 3: Cross multiply
    31,276.60x = 46,914.93 × 7,903.04
  4. Step 4: Simplify right side
    31,276.60x = 370,770,333.81
  5. Step 5: Solve for x
    x = 370,770,333.81/31,276.60
  6. Step 6: Final answer
    x = 11,854.56

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Similar ratio
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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.