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Finding the Fourth Proportional to 32,685.87, 49,028.81 and 9,312.38

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Solution

The fourth proportional to 32,685.87, 49,028.81 and 9,312.38 is: 13,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.87 : 49,028.81 = 9,312.38 : x
  2. Step 2: Convert to fraction form
    32,685.87/49,028.81 = 9,312.38/x
  3. Step 3: Cross multiply
    32,685.87x = 49,028.81 × 9,312.38
  4. Step 4: Simplify right side
    32,685.87x = 456,574,617.96
  5. Step 5: Solve for x
    x = 456,574,617.96/32,685.87
  6. Step 6: Final answer
    x = 13,968.56

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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.