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Finding the Fourth Proportional to 9,632, 13,292.48 and 5,905.28

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Solution

The fourth proportional to 9,632, 13,292.48 and 5,905.28 is: 8,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,632 : 13,292.48 = 5,905.28 : x
  2. Step 2: Convert to fraction form
    9,632/13,292.48 = 5,905.28/x
  3. Step 3: Cross multiply
    9,632x = 13,292.48 × 5,905.28
  4. Step 4: Simplify right side
    9,632x = 78,495,816.29
  5. Step 5: Solve for x
    x = 78,495,816.29/9,632
  6. Step 6: Final answer
    x = 8,149.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.