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Finding the Fourth Proportional to 48,670.90, 67,165.86 and 26,314.90

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Solution

The fourth proportional to 48,670.90, 67,165.86 and 26,314.90 is: 36,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.90 : 67,165.86 = 26,314.90 : x
  2. Step 2: Convert to fraction form
    48,670.90/67,165.86 = 26,314.90/x
  3. Step 3: Cross multiply
    48,670.90x = 67,165.86 × 26,314.90
  4. Step 4: Simplify right side
    48,670.90x = 1,767,462,889.31
  5. Step 5: Solve for x
    x = 1,767,462,889.31/48,670.90
  6. Step 6: Final answer
    x = 36,314.57

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1.5x scale

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.