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Finding the Fourth Proportional to 64,787.04, 97,238.88 and 33,644.16

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Solution

The fourth proportional to 64,787.04, 97,238.88 and 33,644.16 is: 50,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,787.04 : 97,238.88 = 33,644.16 : x
  2. Step 2: Convert to fraction form
    64,787.04/97,238.88 = 33,644.16/x
  3. Step 3: Cross multiply
    64,787.04x = 97,238.88 × 33,644.16
  4. Step 4: Simplify right side
    64,787.04x = 3,271,520,436.94
  5. Step 5: Solve for x
    x = 3,271,520,436.94/64,787.04
  6. Step 6: Final answer
    x = 50,496.53

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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.