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Finding the Fourth Proportional to 60,005.45, 82,810.60 and 33,147.74

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Solution

The fourth proportional to 60,005.45, 82,810.60 and 33,147.74 is: 45,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,005.45 : 82,810.60 = 33,147.74 : x
  2. Step 2: Convert to fraction form
    60,005.45/82,810.60 = 33,147.74/x
  3. Step 3: Cross multiply
    60,005.45x = 82,810.60 × 33,147.74
  4. Step 4: Simplify right side
    60,005.45x = 2,744,983,741.12
  5. Step 5: Solve for x
    x = 2,744,983,741.12/60,005.45
  6. Step 6: Final answer
    x = 45,745.58

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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.