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Finding the Fourth Proportional to 32,445.54, 48,664.56 and 8,754.78

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Solution

The fourth proportional to 32,445.54, 48,664.56 and 8,754.78 is: 13,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,445.54 : 48,664.56 = 8,754.78 : x
  2. Step 2: Convert to fraction form
    32,445.54/48,664.56 = 8,754.78/x
  3. Step 3: Cross multiply
    32,445.54x = 48,664.56 × 8,754.78
  4. Step 4: Simplify right side
    32,445.54x = 426,047,516.60
  5. Step 5: Solve for x
    x = 426,047,516.60/32,445.54
  6. Step 6: Final answer
    x = 13,131.16

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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.