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Finding the Fourth Proportional to 63,991.85, 88,302.62 and 35,699.36

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Solution

The fourth proportional to 63,991.85, 88,302.62 and 35,699.36 is: 49,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,991.85 : 88,302.62 = 35,699.36 : x
  2. Step 2: Convert to fraction form
    63,991.85/88,302.62 = 35,699.36/x
  3. Step 3: Cross multiply
    63,991.85x = 88,302.62 × 35,699.36
  4. Step 4: Simplify right side
    63,991.85x = 3,152,346,668.06
  5. Step 5: Solve for x
    x = 3,152,346,668.06/63,991.85
  6. Step 6: Final answer
    x = 49,261.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.