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Finding the Fourth Proportional to 9,583.57, 14,387.51 and 9,189.91

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Solution

The fourth proportional to 9,583.57, 14,387.51 and 9,189.91 is: 13,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,583.57 : 14,387.51 = 9,189.91 : x
  2. Step 2: Convert to fraction form
    9,583.57/14,387.51 = 9,189.91/x
  3. Step 3: Cross multiply
    9,583.57x = 14,387.51 × 9,189.91
  4. Step 4: Simplify right side
    9,583.57x = 132,219,922.02
  5. Step 5: Solve for x
    x = 132,219,922.02/9,583.57
  6. Step 6: Final answer
    x = 13,796.52

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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.