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Finding the Fourth Proportional to 57,059.68, 85,587.18 and 14,939.08

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Solution

The fourth proportional to 57,059.68, 85,587.18 and 14,939.08 is: 22,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,059.68 : 85,587.18 = 14,939.08 : x
  2. Step 2: Convert to fraction form
    57,059.68/85,587.18 = 14,939.08/x
  3. Step 3: Cross multiply
    57,059.68x = 85,587.18 × 14,939.08
  4. Step 4: Simplify right side
    57,059.68x = 1,278,593,728.99
  5. Step 5: Solve for x
    x = 1,278,593,728.99/57,059.68
  6. Step 6: Final answer
    x = 22,408.01

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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.