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Finding the Fourth Proportional to 64,025.68, 96,063.72 and 32,418.40

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Solution

The fourth proportional to 64,025.68, 96,063.72 and 32,418.40 is: 48,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,025.68 : 96,063.72 = 32,418.40 : x
  2. Step 2: Convert to fraction form
    64,025.68/96,063.72 = 32,418.40/x
  3. Step 3: Cross multiply
    64,025.68x = 96,063.72 × 32,418.40
  4. Step 4: Simplify right side
    64,025.68x = 3,114,232,100.45
  5. Step 5: Solve for x
    x = 3,114,232,100.45/64,025.68
  6. Step 6: Final answer
    x = 48,640.36

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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.