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Finding the Fourth Proportional to 29,917.42, 44,881.46 and 9,928.11

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Solution

The fourth proportional to 29,917.42, 44,881.46 and 9,928.11 is: 14,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,917.42 : 44,881.46 = 9,928.11 : x
  2. Step 2: Convert to fraction form
    29,917.42/44,881.46 = 9,928.11/x
  3. Step 3: Cross multiply
    29,917.42x = 44,881.46 × 9,928.11
  4. Step 4: Simplify right side
    29,917.42x = 445,588,071.84
  5. Step 5: Solve for x
    x = 445,588,071.84/29,917.42
  6. Step 6: Final answer
    x = 14,893.93

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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.