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Finding the Fourth Proportional to 73,993.42, 110,955.62 and 38,445.18

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Solution

The fourth proportional to 73,993.42, 110,955.62 and 38,445.18 is: 57,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,993.42 : 110,955.62 = 38,445.18 : x
  2. Step 2: Convert to fraction form
    73,993.42/110,955.62 = 38,445.18/x
  3. Step 3: Cross multiply
    73,993.42x = 110,955.62 × 38,445.18
  4. Step 4: Simplify right side
    73,993.42x = 4,265,708,870.81
  5. Step 5: Solve for x
    x = 4,265,708,870.81/73,993.42
  6. Step 6: Final answer
    x = 57,649.84

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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.