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Finding the Fourth Proportional to 48,576.52, 72,870 and 15,297.60

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Solution

The fourth proportional to 48,576.52, 72,870 and 15,297.60 is: 22,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,576.52 : 72,870 = 15,297.60 : x
  2. Step 2: Convert to fraction form
    48,576.52/72,870 = 15,297.60/x
  3. Step 3: Cross multiply
    48,576.52x = 72,870 × 15,297.60
  4. Step 4: Simplify right side
    48,576.52x = 1,114,736,112
  5. Step 5: Solve for x
    x = 1,114,736,112/48,576.52
  6. Step 6: Final answer
    x = 22,948.04

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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.