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Finding the Fourth Proportional to 32,641.36, 48,963.30 and 10,455.64

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Solution

The fourth proportional to 32,641.36, 48,963.30 and 10,455.64 is: 15,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,641.36 : 48,963.30 = 10,455.64 : x
  2. Step 2: Convert to fraction form
    32,641.36/48,963.30 = 10,455.64/x
  3. Step 3: Cross multiply
    32,641.36x = 48,963.30 × 10,455.64
  4. Step 4: Simplify right side
    32,641.36x = 511,942,638.01
  5. Step 5: Solve for x
    x = 511,942,638.01/32,641.36
  6. Step 6: Final answer
    x = 15,683.86

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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.