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Finding the Fourth Proportional to 89,038.96, 133,515.30 and 32,905.48

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Solution

The fourth proportional to 89,038.96, 133,515.30 and 32,905.48 is: 49,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,038.96 : 133,515.30 = 32,905.48 : x
  2. Step 2: Convert to fraction form
    89,038.96/133,515.30 = 32,905.48/x
  3. Step 3: Cross multiply
    89,038.96x = 133,515.30 × 32,905.48
  4. Step 4: Simplify right side
    89,038.96x = 4,393,385,033.84
  5. Step 5: Solve for x
    x = 4,393,385,033.84/89,038.96
  6. Step 6: Final answer
    x = 49,342.28

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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.