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Finding the Fourth Proportional to 73,095.60, 109,685.16 and 39,814.32

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Solution

The fourth proportional to 73,095.60, 109,685.16 and 39,814.32 is: 59,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,095.60 : 109,685.16 = 39,814.32 : x
  2. Step 2: Convert to fraction form
    73,095.60/109,685.16 = 39,814.32/x
  3. Step 3: Cross multiply
    73,095.60x = 109,685.16 × 39,814.32
  4. Step 4: Simplify right side
    73,095.60x = 4,367,040,059.49
  5. Step 5: Solve for x
    x = 4,367,040,059.49/73,095.60
  6. Step 6: Final answer
    x = 59,744.23

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1.5x scale

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.