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Finding the Fourth Proportional to 64,393.60, 96,590.40 and 17,008.60

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Solution

The fourth proportional to 64,393.60, 96,590.40 and 17,008.60 is: 25,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,393.60 : 96,590.40 = 17,008.60 : x
  2. Step 2: Convert to fraction form
    64,393.60/96,590.40 = 17,008.60/x
  3. Step 3: Cross multiply
    64,393.60x = 96,590.40 × 17,008.60
  4. Step 4: Simplify right side
    64,393.60x = 1,642,867,477.44
  5. Step 5: Solve for x
    x = 1,642,867,477.44/64,393.60
  6. Step 6: Final answer
    x = 25,512.90

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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.