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Finding the Fourth Proportional to 32,912.10, 49,368.15 and 19,757.70

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Solution

The fourth proportional to 32,912.10, 49,368.15 and 19,757.70 is: 29,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,912.10 : 49,368.15 = 19,757.70 : x
  2. Step 2: Convert to fraction form
    32,912.10/49,368.15 = 19,757.70/x
  3. Step 3: Cross multiply
    32,912.10x = 49,368.15 × 19,757.70
  4. Step 4: Simplify right side
    32,912.10x = 975,401,097.26
  5. Step 5: Solve for x
    x = 975,401,097.26/32,912.10
  6. Step 6: Final answer
    x = 29,636.55

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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.