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Finding the Fourth Proportional to 48,989.80, 73,514.94 and 22,689.64

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Solution

The fourth proportional to 48,989.80, 73,514.94 and 22,689.64 is: 34,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,989.80 : 73,514.94 = 22,689.64 : x
  2. Step 2: Convert to fraction form
    48,989.80/73,514.94 = 22,689.64/x
  3. Step 3: Cross multiply
    48,989.80x = 73,514.94 × 22,689.64
  4. Step 4: Simplify right side
    48,989.80x = 1,668,027,523.22
  5. Step 5: Solve for x
    x = 1,668,027,523.22/48,989.80
  6. Step 6: Final answer
    x = 34,048.47

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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.