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Finding the Fourth Proportional to 49,329.70, 73,994.55 and 45,528.10

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Solution

The fourth proportional to 49,329.70, 73,994.55 and 45,528.10 is: 68,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,329.70 : 73,994.55 = 45,528.10 : x
  2. Step 2: Convert to fraction form
    49,329.70/73,994.55 = 45,528.10/x
  3. Step 3: Cross multiply
    49,329.70x = 73,994.55 × 45,528.10
  4. Step 4: Simplify right side
    49,329.70x = 3,368,831,271.86
  5. Step 5: Solve for x
    x = 3,368,831,271.86/49,329.70
  6. Step 6: Final answer
    x = 68,292.15

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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.