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Finding the Fourth Proportional to 48,246.84, 72,339.48 and 28,531.44

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Solution

The fourth proportional to 48,246.84, 72,339.48 and 28,531.44 is: 42,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,246.84 : 72,339.48 = 28,531.44 : x
  2. Step 2: Convert to fraction form
    48,246.84/72,339.48 = 28,531.44/x
  3. Step 3: Cross multiply
    48,246.84x = 72,339.48 × 28,531.44
  4. Step 4: Simplify right side
    48,246.84x = 2,063,949,533.25
  5. Step 5: Solve for x
    x = 2,063,949,533.25/48,246.84
  6. Step 6: Final answer
    x = 42,778.96

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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.