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Finding the Fourth Proportional to 64,039.92, 88,374.87 and 35,745.36

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Solution

The fourth proportional to 64,039.92, 88,374.87 and 35,745.36 is: 49,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,039.92 : 88,374.87 = 35,745.36 : x
  2. Step 2: Convert to fraction form
    64,039.92/88,374.87 = 35,745.36/x
  3. Step 3: Cross multiply
    64,039.92x = 88,374.87 × 35,745.36
  4. Step 4: Simplify right side
    64,039.92x = 3,158,991,543.10
  5. Step 5: Solve for x
    x = 3,158,991,543.10/64,039.92
  6. Step 6: Final answer
    x = 49,328.47

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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.