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Finding the Fourth Proportional to 43,063.04, 64,606.90 and 18,090.24

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Solution

The fourth proportional to 43,063.04, 64,606.90 and 18,090.24 is: 27,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,063.04 : 64,606.90 = 18,090.24 : x
  2. Step 2: Convert to fraction form
    43,063.04/64,606.90 = 18,090.24/x
  3. Step 3: Cross multiply
    43,063.04x = 64,606.90 × 18,090.24
  4. Step 4: Simplify right side
    43,063.04x = 1,168,754,326.66
  5. Step 5: Solve for x
    x = 1,168,754,326.66/43,063.04
  6. Step 6: Final answer
    x = 27,140.54

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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.