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Finding the Fourth Proportional to 38,405.84, 52,889.68 and 32,984.72

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Solution

The fourth proportional to 38,405.84, 52,889.68 and 32,984.72 is: 45,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,405.84 : 52,889.68 = 32,984.72 : x
  2. Step 2: Convert to fraction form
    38,405.84/52,889.68 = 32,984.72/x
  3. Step 3: Cross multiply
    38,405.84x = 52,889.68 × 32,984.72
  4. Step 4: Simplify right side
    38,405.84x = 1,744,551,285.69
  5. Step 5: Solve for x
    x = 1,744,551,285.69/38,405.84
  6. Step 6: Final answer
    x = 45,424.11

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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.