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Finding the Fourth Proportional to 9,934.40, 14,903.60 and 2,914.40

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Solution

The fourth proportional to 9,934.40, 14,903.60 and 2,914.40 is: 4,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934.40 : 14,903.60 = 2,914.40 : x
  2. Step 2: Convert to fraction form
    9,934.40/14,903.60 = 2,914.40/x
  3. Step 3: Cross multiply
    9,934.40x = 14,903.60 × 2,914.40
  4. Step 4: Simplify right side
    9,934.40x = 43,435,051.84
  5. Step 5: Solve for x
    x = 43,435,051.84/9,934.40
  6. Step 6: Final answer
    x = 4,372.19

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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.