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Finding the Fourth Proportional to 57,203.91, 85,805.60 and 14,509.35

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Solution

The fourth proportional to 57,203.91, 85,805.60 and 14,509.35 is: 21,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,203.91 : 85,805.60 = 14,509.35 : x
  2. Step 2: Convert to fraction form
    57,203.91/85,805.60 = 14,509.35/x
  3. Step 3: Cross multiply
    57,203.91x = 85,805.60 × 14,509.35
  4. Step 4: Simplify right side
    57,203.91x = 1,244,983,409.81
  5. Step 5: Solve for x
    x = 1,244,983,409.81/57,203.91
  6. Step 6: Final answer
    x = 21,763.96

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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.