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Finding the Fourth Proportional to 8,584.48, 11,801.03 and 7,385.08

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Solution

The fourth proportional to 8,584.48, 11,801.03 and 7,385.08 is: 10,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.48 : 11,801.03 = 7,385.08 : x
  2. Step 2: Convert to fraction form
    8,584.48/11,801.03 = 7,385.08/x
  3. Step 3: Cross multiply
    8,584.48x = 11,801.03 × 7,385.08
  4. Step 4: Simplify right side
    8,584.48x = 87,151,550.63
  5. Step 5: Solve for x
    x = 87,151,550.63/8,584.48
  6. Step 6: Final answer
    x = 10,152.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.