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Finding the Fourth Proportional to 64,193.51, 96,313.05 and 28,651.59

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Solution

The fourth proportional to 64,193.51, 96,313.05 and 28,651.59 is: 42,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,193.51 : 96,313.05 = 28,651.59 : x
  2. Step 2: Convert to fraction form
    64,193.51/96,313.05 = 28,651.59/x
  3. Step 3: Cross multiply
    64,193.51x = 96,313.05 × 28,651.59
  4. Step 4: Simplify right side
    64,193.51x = 2,759,522,020.25
  5. Step 5: Solve for x
    x = 2,759,522,020.25/64,193.51
  6. Step 6: Final answer
    x = 42,987.55

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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.