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Finding the Fourth Proportional to 32,685.44, 49,020.06 and 9,312.08

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Solution

The fourth proportional to 32,685.44, 49,020.06 and 9,312.08 is: 13,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.44 : 49,020.06 = 9,312.08 : x
  2. Step 2: Convert to fraction form
    32,685.44/49,020.06 = 9,312.08/x
  3. Step 3: Cross multiply
    32,685.44x = 49,020.06 × 9,312.08
  4. Step 4: Simplify right side
    32,685.44x = 456,478,720.32
  5. Step 5: Solve for x
    x = 456,478,720.32/32,685.44
  6. Step 6: Final answer
    x = 13,965.81

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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.