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Finding the Fourth Proportional to 48,980.64, 67,590.96 and 26,624.64

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Solution

The fourth proportional to 48,980.64, 67,590.96 and 26,624.64 is: 36,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,980.64 : 67,590.96 = 26,624.64 : x
  2. Step 2: Convert to fraction form
    48,980.64/67,590.96 = 26,624.64/x
  3. Step 3: Cross multiply
    48,980.64x = 67,590.96 × 26,624.64
  4. Step 4: Simplify right side
    48,980.64x = 1,799,584,977.25
  5. Step 5: Solve for x
    x = 1,799,584,977.25/48,980.64
  6. Step 6: Final answer
    x = 36,740.74

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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.