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Finding the Fourth Proportional to 23,543.84, 35,321.20 and 6,905.16

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Solution

The fourth proportional to 23,543.84, 35,321.20 and 6,905.16 is: 10,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,543.84 : 35,321.20 = 6,905.16 : x
  2. Step 2: Convert to fraction form
    23,543.84/35,321.20 = 6,905.16/x
  3. Step 3: Cross multiply
    23,543.84x = 35,321.20 × 6,905.16
  4. Step 4: Simplify right side
    23,543.84x = 243,898,537.39
  5. Step 5: Solve for x
    x = 243,898,537.39/23,543.84
  6. Step 6: Final answer
    x = 10,359.34

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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.