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Finding the Fourth Proportional to 32,576.76, 44,955.94 and 18,429.30

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Solution

The fourth proportional to 32,576.76, 44,955.94 and 18,429.30 is: 25,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,576.76 : 44,955.94 = 18,429.30 : x
  2. Step 2: Convert to fraction form
    32,576.76/44,955.94 = 18,429.30/x
  3. Step 3: Cross multiply
    32,576.76x = 44,955.94 × 18,429.30
  4. Step 4: Simplify right side
    32,576.76x = 828,506,505.04
  5. Step 5: Solve for x
    x = 828,506,505.04/32,576.76
  6. Step 6: Final answer
    x = 25,432.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.