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Finding the Fourth Proportional to 57,684.96, 86,526.92 and 18,242.12

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Solution

The fourth proportional to 57,684.96, 86,526.92 and 18,242.12 is: 27,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,684.96 : 86,526.92 = 18,242.12 : x
  2. Step 2: Convert to fraction form
    57,684.96/86,526.92 = 18,242.12/x
  3. Step 3: Cross multiply
    57,684.96x = 86,526.92 × 18,242.12
  4. Step 4: Simplify right side
    57,684.96x = 1,578,434,457.87
  5. Step 5: Solve for x
    x = 1,578,434,457.87/57,684.96
  6. Step 6: Final answer
    x = 27,363.02

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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.