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Finding the Fourth Proportional to 73,017.58, 100,764.26 and 39,483.58

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Solution

The fourth proportional to 73,017.58, 100,764.26 and 39,483.58 is: 54,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,017.58 : 100,764.26 = 39,483.58 : x
  2. Step 2: Convert to fraction form
    73,017.58/100,764.26 = 39,483.58/x
  3. Step 3: Cross multiply
    73,017.58x = 100,764.26 × 39,483.58
  4. Step 4: Simplify right side
    73,017.58x = 3,978,533,315.74
  5. Step 5: Solve for x
    x = 3,978,533,315.74/73,017.58
  6. Step 6: Final answer
    x = 54,487.34

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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.