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Finding the Fourth Proportional to 60,012.40, 82,840.44 and 53,713.84

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Solution

The fourth proportional to 60,012.40, 82,840.44 and 53,713.84 is: 74,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.40 : 82,840.44 = 53,713.84 : x
  2. Step 2: Convert to fraction form
    60,012.40/82,840.44 = 53,713.84/x
  3. Step 3: Cross multiply
    60,012.40x = 82,840.44 × 53,713.84
  4. Step 4: Simplify right side
    60,012.40x = 4,449,678,139.69
  5. Step 5: Solve for x
    x = 4,449,678,139.69/60,012.40
  6. Step 6: Final answer
    x = 74,145.98

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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.