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Finding the Fourth Proportional to 32,815.80, 49,223.70 and 9,444.60

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Solution

The fourth proportional to 32,815.80, 49,223.70 and 9,444.60 is: 14,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,815.80 : 49,223.70 = 9,444.60 : x
  2. Step 2: Convert to fraction form
    32,815.80/49,223.70 = 9,444.60/x
  3. Step 3: Cross multiply
    32,815.80x = 49,223.70 × 9,444.60
  4. Step 4: Simplify right side
    32,815.80x = 464,898,157.02
  5. Step 5: Solve for x
    x = 464,898,157.02/32,815.80
  6. Step 6: Final answer
    x = 14,166.90

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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.