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Finding the Fourth Proportional to 58,762.28, 81,102.90 and 33,611.72

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Solution

The fourth proportional to 58,762.28, 81,102.90 and 33,611.72 is: 46,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,762.28 : 81,102.90 = 33,611.72 : x
  2. Step 2: Convert to fraction form
    58,762.28/81,102.90 = 33,611.72/x
  3. Step 3: Cross multiply
    58,762.28x = 81,102.90 × 33,611.72
  4. Step 4: Simplify right side
    58,762.28x = 2,726,007,965.99
  5. Step 5: Solve for x
    x = 2,726,007,965.99/58,762.28
  6. Step 6: Final answer
    x = 46,390.44

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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.