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Finding the Fourth Proportional to 29,491.72, 44,237.30 and 11,957.40

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Solution

The fourth proportional to 29,491.72, 44,237.30 and 11,957.40 is: 17,935.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,491.72 : 44,237.30 = 11,957.40 : x
  2. Step 2: Convert to fraction form
    29,491.72/44,237.30 = 11,957.40/x
  3. Step 3: Cross multiply
    29,491.72x = 44,237.30 × 11,957.40
  4. Step 4: Simplify right side
    29,491.72x = 528,963,091.02
  5. Step 5: Solve for x
    x = 528,963,091.02/29,491.72
  6. Step 6: Final answer
    x = 17,935.99

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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.