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Finding the Fourth Proportional to 58,797.68, 80,900.52 and 50,814.32

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Solution

The fourth proportional to 58,797.68, 80,900.52 and 50,814.32 is: 69,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,797.68 : 80,900.52 = 50,814.32 : x
  2. Step 2: Convert to fraction form
    58,797.68/80,900.52 = 50,814.32/x
  3. Step 3: Cross multiply
    58,797.68x = 80,900.52 × 50,814.32
  4. Step 4: Simplify right side
    58,797.68x = 4,110,904,911.45
  5. Step 5: Solve for x
    x = 4,110,904,911.45/58,797.68
  6. Step 6: Final answer
    x = 69,916.11

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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.