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Finding the Fourth Proportional to 64,290.10, 96,388.44 and 26,860.88

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Solution

The fourth proportional to 64,290.10, 96,388.44 and 26,860.88 is: 40,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,290.10 : 96,388.44 = 26,860.88 : x
  2. Step 2: Convert to fraction form
    64,290.10/96,388.44 = 26,860.88/x
  3. Step 3: Cross multiply
    64,290.10x = 96,388.44 × 26,860.88
  4. Step 4: Simplify right side
    64,290.10x = 2,589,078,300.47
  5. Step 5: Solve for x
    x = 2,589,078,300.47/64,290.10
  6. Step 6: Final answer
    x = 40,271.80

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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.