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Finding the Fourth Proportional to 6,089.52, 9,134.28 and 1,985.52

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Solution

The fourth proportional to 6,089.52, 9,134.28 and 1,985.52 is: 2,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,089.52 : 9,134.28 = 1,985.52 : x
  2. Step 2: Convert to fraction form
    6,089.52/9,134.28 = 1,985.52/x
  3. Step 3: Cross multiply
    6,089.52x = 9,134.28 × 1,985.52
  4. Step 4: Simplify right side
    6,089.52x = 18,136,295.63
  5. Step 5: Solve for x
    x = 18,136,295.63/6,089.52
  6. Step 6: Final answer
    x = 2,978.28

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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.