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Finding the Fourth Proportional to 64,228.60, 96,342.90 and 17,481.40

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Solution

The fourth proportional to 64,228.60, 96,342.90 and 17,481.40 is: 26,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,228.60 : 96,342.90 = 17,481.40 : x
  2. Step 2: Convert to fraction form
    64,228.60/96,342.90 = 17,481.40/x
  3. Step 3: Cross multiply
    64,228.60x = 96,342.90 × 17,481.40
  4. Step 4: Simplify right side
    64,228.60x = 1,684,208,772.06
  5. Step 5: Solve for x
    x = 1,684,208,772.06/64,228.60
  6. Step 6: Final answer
    x = 26,222.10

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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.