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Finding the Fourth Proportional to 64,615.60, 96,923.40 and 33,460.40

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Solution

The fourth proportional to 64,615.60, 96,923.40 and 33,460.40 is: 50,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,615.60 : 96,923.40 = 33,460.40 : x
  2. Step 2: Convert to fraction form
    64,615.60/96,923.40 = 33,460.40/x
  3. Step 3: Cross multiply
    64,615.60x = 96,923.40 × 33,460.40
  4. Step 4: Simplify right side
    64,615.60x = 3,243,095,733.36
  5. Step 5: Solve for x
    x = 3,243,095,733.36/64,615.60
  6. Step 6: Final answer
    x = 50,190.60

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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.