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Finding the Fourth Proportional to 9,044.30, 13,580.08 and 7,385.82

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Solution

The fourth proportional to 9,044.30, 13,580.08 and 7,385.82 is: 11,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,044.30 : 13,580.08 = 7,385.82 : x
  2. Step 2: Convert to fraction form
    9,044.30/13,580.08 = 7,385.82/x
  3. Step 3: Cross multiply
    9,044.30x = 13,580.08 × 7,385.82
  4. Step 4: Simplify right side
    9,044.30x = 100,300,026.47
  5. Step 5: Solve for x
    x = 100,300,026.47/9,044.30
  6. Step 6: Final answer
    x = 11,089.86

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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.