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Finding the Fourth Proportional to 32,980.30, 49,474.56 and 10,787.72

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Solution

The fourth proportional to 32,980.30, 49,474.56 and 10,787.72 is: 16,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,980.30 : 49,474.56 = 10,787.72 : x
  2. Step 2: Convert to fraction form
    32,980.30/49,474.56 = 10,787.72/x
  3. Step 3: Cross multiply
    32,980.30x = 49,474.56 × 10,787.72
  4. Step 4: Simplify right side
    32,980.30x = 533,717,493.48
  5. Step 5: Solve for x
    x = 533,717,493.48/32,980.30
  6. Step 6: Final answer
    x = 16,182.92

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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.