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Finding the Fourth Proportional to 48,668.10, 73,002.21 and 13,607.72

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Solution

The fourth proportional to 48,668.10, 73,002.21 and 13,607.72 is: 20,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.10 : 73,002.21 = 13,607.72 : x
  2. Step 2: Convert to fraction form
    48,668.10/73,002.21 = 13,607.72/x
  3. Step 3: Cross multiply
    48,668.10x = 73,002.21 × 13,607.72
  4. Step 4: Simplify right side
    48,668.10x = 993,393,633.06
  5. Step 5: Solve for x
    x = 993,393,633.06/48,668.10
  6. Step 6: Final answer
    x = 20,411.60

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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.