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Finding the Fourth Proportional to 21,596.48, 32,385.87 and 7,553.51

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Solution

The fourth proportional to 21,596.48, 32,385.87 and 7,553.51 is: 11,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.48 : 32,385.87 = 7,553.51 : x
  2. Step 2: Convert to fraction form
    21,596.48/32,385.87 = 7,553.51/x
  3. Step 3: Cross multiply
    21,596.48x = 32,385.87 × 7,553.51
  4. Step 4: Simplify right side
    21,596.48x = 244,626,830.97
  5. Step 5: Solve for x
    x = 244,626,830.97/21,596.48
  6. Step 6: Final answer
    x = 11,327.16

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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.