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Finding the Fourth Proportional to 32,930.70, 49,420.35 and 13,223.40

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Solution

The fourth proportional to 32,930.70, 49,420.35 and 13,223.40 is: 19,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,930.70 : 49,420.35 = 13,223.40 : x
  2. Step 2: Convert to fraction form
    32,930.70/49,420.35 = 13,223.40/x
  3. Step 3: Cross multiply
    32,930.70x = 49,420.35 × 13,223.40
  4. Step 4: Simplify right side
    32,930.70x = 653,505,056.19
  5. Step 5: Solve for x
    x = 653,505,056.19/32,930.70
  6. Step 6: Final answer
    x = 19,844.86

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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.