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Finding the Fourth Proportional to 3,232.30, 4,848.42 and 923.80

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Solution

The fourth proportional to 3,232.30, 4,848.42 and 923.80 is: 1,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.30 : 4,848.42 = 923.80 : x
  2. Step 2: Convert to fraction form
    3,232.30/4,848.42 = 923.80/x
  3. Step 3: Cross multiply
    3,232.30x = 4,848.42 × 923.80
  4. Step 4: Simplify right side
    3,232.30x = 4,478,970.40
  5. Step 5: Solve for x
    x = 4,478,970.40/3,232.30
  6. Step 6: Final answer
    x = 1,385.69

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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.