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Finding the Fourth Proportional to 1,059.53, 1,588.35 and 539.24

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Solution

The fourth proportional to 1,059.53, 1,588.35 and 539.24 is: 808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.53 : 1,588.35 = 539.24 : x
  2. Step 2: Convert to fraction form
    1,059.53/1,588.35 = 539.24/x
  3. Step 3: Cross multiply
    1,059.53x = 1,588.35 × 539.24
  4. Step 4: Simplify right side
    1,059.53x = 856,501.85
  5. Step 5: Solve for x
    x = 856,501.85/1,059.53
  6. Step 6: Final answer
    x = 808.38

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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.