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Finding the Fourth Proportional to 73,114.35, 100,898.13 and 39,580.35

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Solution

The fourth proportional to 73,114.35, 100,898.13 and 39,580.35 is: 54,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,114.35 : 100,898.13 = 39,580.35 : x
  2. Step 2: Convert to fraction form
    73,114.35/100,898.13 = 39,580.35/x
  3. Step 3: Cross multiply
    73,114.35x = 100,898.13 × 39,580.35
  4. Step 4: Simplify right side
    73,114.35x = 3,993,583,101.84
  5. Step 5: Solve for x
    x = 3,993,583,101.84/73,114.35
  6. Step 6: Final answer
    x = 54,621.06

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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.