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Finding the Fourth Proportional to 73,346.32, 101,218.04 and 39,812.32

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Solution

The fourth proportional to 73,346.32, 101,218.04 and 39,812.32 is: 54,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,346.32 : 101,218.04 = 39,812.32 : x
  2. Step 2: Convert to fraction form
    73,346.32/101,218.04 = 39,812.32/x
  3. Step 3: Cross multiply
    73,346.32x = 101,218.04 × 39,812.32
  4. Step 4: Simplify right side
    73,346.32x = 4,029,724,998.25
  5. Step 5: Solve for x
    x = 4,029,724,998.25/73,346.32
  6. Step 6: Final answer
    x = 54,941.07

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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.