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Finding the Fourth Proportional to 38,376.60, 57,564.90 and 10,674.60

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Solution

The fourth proportional to 38,376.60, 57,564.90 and 10,674.60 is: 16,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.60 : 57,564.90 = 10,674.60 : x
  2. Step 2: Convert to fraction form
    38,376.60/57,564.90 = 10,674.60/x
  3. Step 3: Cross multiply
    38,376.60x = 57,564.90 × 10,674.60
  4. Step 4: Simplify right side
    38,376.60x = 614,482,281.54
  5. Step 5: Solve for x
    x = 614,482,281.54/38,376.60
  6. Step 6: Final answer
    x = 16,011.90

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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.