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Finding the Fourth Proportional to 64,168.29, 88,549.70 and 35,486.09

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Solution

The fourth proportional to 64,168.29, 88,549.70 and 35,486.09 is: 48,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,168.29 : 88,549.70 = 35,486.09 : x
  2. Step 2: Convert to fraction form
    64,168.29/88,549.70 = 35,486.09/x
  3. Step 3: Cross multiply
    64,168.29x = 88,549.70 × 35,486.09
  4. Step 4: Simplify right side
    64,168.29x = 3,142,282,003.49
  5. Step 5: Solve for x
    x = 3,142,282,003.49/64,168.29
  6. Step 6: Final answer
    x = 48,969.39

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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.