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Finding the Fourth Proportional to 59,489.68, 89,242.76 and 20,058.07

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Solution

The fourth proportional to 59,489.68, 89,242.76 and 20,058.07 is: 30,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,489.68 : 89,242.76 = 20,058.07 : x
  2. Step 2: Convert to fraction form
    59,489.68/89,242.76 = 20,058.07/x
  3. Step 3: Cross multiply
    59,489.68x = 89,242.76 × 20,058.07
  4. Step 4: Simplify right side
    59,489.68x = 1,790,037,527.07
  5. Step 5: Solve for x
    x = 1,790,037,527.07/59,489.68
  6. Step 6: Final answer
    x = 30,089.88

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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.