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Finding the Fourth Proportional to 64,384.65, 88,850.54 and 36,090.34

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Solution

The fourth proportional to 64,384.65, 88,850.54 and 36,090.34 is: 49,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,384.65 : 88,850.54 = 36,090.34 : x
  2. Step 2: Convert to fraction form
    64,384.65/88,850.54 = 36,090.34/x
  3. Step 3: Cross multiply
    64,384.65x = 88,850.54 × 36,090.34
  4. Step 4: Simplify right side
    64,384.65x = 3,206,646,399.07
  5. Step 5: Solve for x
    x = 3,206,646,399.07/64,384.65
  6. Step 6: Final answer
    x = 49,804.51

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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.