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Finding the Fourth Proportional to 45,059.82, 67,536.93 and 18,389.16

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Solution

The fourth proportional to 45,059.82, 67,536.93 and 18,389.16 is: 27,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,059.82 : 67,536.93 = 18,389.16 : x
  2. Step 2: Convert to fraction form
    45,059.82/67,536.93 = 18,389.16/x
  3. Step 3: Cross multiply
    45,059.82x = 67,536.93 × 18,389.16
  4. Step 4: Simplify right side
    45,059.82x = 1,241,947,411.68
  5. Step 5: Solve for x
    x = 1,241,947,411.68/45,059.82
  6. Step 6: Final answer
    x = 27,562.19

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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.