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Finding the Fourth Proportional to 49,576.71, 68,384.70 and 29,419.32

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Solution

The fourth proportional to 49,576.71, 68,384.70 and 29,419.32 is: 40,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,576.71 : 68,384.70 = 29,419.32 : x
  2. Step 2: Convert to fraction form
    49,576.71/68,384.70 = 29,419.32/x
  3. Step 3: Cross multiply
    49,576.71x = 68,384.70 × 29,419.32
  4. Step 4: Simplify right side
    49,576.71x = 2,011,831,372.40
  5. Step 5: Solve for x
    x = 2,011,831,372.40/49,576.71
  6. Step 6: Final answer
    x = 40,580.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.