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Finding the Fourth Proportional to 45,599.58, 68,069.43 and 39,399.48

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Solution

The fourth proportional to 45,599.58, 68,069.43 and 39,399.48 is: 58,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,599.58 : 68,069.43 = 39,399.48 : x
  2. Step 2: Convert to fraction form
    45,599.58/68,069.43 = 39,399.48/x
  3. Step 3: Cross multiply
    45,599.58x = 68,069.43 × 39,399.48
  4. Step 4: Simplify right side
    45,599.58x = 2,681,900,145.90
  5. Step 5: Solve for x
    x = 2,681,900,145.90/45,599.58
  6. Step 6: Final answer
    x = 58,814.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.