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Finding the Fourth Proportional to 9,951.93, 14,928.81 and 2,931.93

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Solution

The fourth proportional to 9,951.93, 14,928.81 and 2,931.93 is: 4,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.93 : 14,928.81 = 2,931.93 : x
  2. Step 2: Convert to fraction form
    9,951.93/14,928.81 = 2,931.93/x
  3. Step 3: Cross multiply
    9,951.93x = 14,928.81 × 2,931.93
  4. Step 4: Simplify right side
    9,951.93x = 43,770,225.90
  5. Step 5: Solve for x
    x = 43,770,225.90/9,951.93
  6. Step 6: Final answer
    x = 4,398.16

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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.