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Finding the Fourth Proportional to 89,648.58, 134,472.84 and 29,660.94

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Solution

The fourth proportional to 89,648.58, 134,472.84 and 29,660.94 is: 44,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,648.58 : 134,472.84 = 29,660.94 : x
  2. Step 2: Convert to fraction form
    89,648.58/134,472.84 = 29,660.94/x
  3. Step 3: Cross multiply
    89,648.58x = 134,472.84 × 29,660.94
  4. Step 4: Simplify right side
    89,648.58x = 3,988,590,838.87
  5. Step 5: Solve for x
    x = 3,988,590,838.87/89,648.58
  6. Step 6: Final answer
    x = 44,491.40

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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.