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Finding the Fourth Proportional to 48,754.66, 67,260 and 28,601.32

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Solution

The fourth proportional to 48,754.66, 67,260 and 28,601.32 is: 39,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,754.66 : 67,260 = 28,601.32 : x
  2. Step 2: Convert to fraction form
    48,754.66/67,260 = 28,601.32/x
  3. Step 3: Cross multiply
    48,754.66x = 67,260 × 28,601.32
  4. Step 4: Simplify right side
    48,754.66x = 1,923,724,783.20
  5. Step 5: Solve for x
    x = 1,923,724,783.20/48,754.66
  6. Step 6: Final answer
    x = 39,457.25

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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.