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Finding the Fourth Proportional to 48,846.66, 73,259.74 and 13,778.12

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Solution

The fourth proportional to 48,846.66, 73,259.74 and 13,778.12 is: 20,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,846.66 : 73,259.74 = 13,778.12 : x
  2. Step 2: Convert to fraction form
    48,846.66/73,259.74 = 13,778.12/x
  3. Step 3: Cross multiply
    48,846.66x = 73,259.74 × 13,778.12
  4. Step 4: Simplify right side
    48,846.66x = 1,009,381,488.89
  5. Step 5: Solve for x
    x = 1,009,381,488.89/48,846.66
  6. Step 6: Final answer
    x = 20,664.29

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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.