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Finding the Fourth Proportional to 64,555.20, 96,800.40 and 29,455.20

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Solution

The fourth proportional to 64,555.20, 96,800.40 and 29,455.20 is: 44,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,555.20 : 96,800.40 = 29,455.20 : x
  2. Step 2: Convert to fraction form
    64,555.20/96,800.40 = 29,455.20/x
  3. Step 3: Cross multiply
    64,555.20x = 96,800.40 × 29,455.20
  4. Step 4: Simplify right side
    64,555.20x = 2,851,275,142.08
  5. Step 5: Solve for x
    x = 2,851,275,142.08/64,555.20
  6. Step 6: Final answer
    x = 44,168.02

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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.