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Finding the Fourth Proportional to 63,126.72, 94,690.08 and 21,574.08

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Solution

The fourth proportional to 63,126.72, 94,690.08 and 21,574.08 is: 32,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.72 : 94,690.08 = 21,574.08 : x
  2. Step 2: Convert to fraction form
    63,126.72/94,690.08 = 21,574.08/x
  3. Step 3: Cross multiply
    63,126.72x = 94,690.08 × 21,574.08
  4. Step 4: Simplify right side
    63,126.72x = 2,042,851,361.13
  5. Step 5: Solve for x
    x = 2,042,851,361.13/63,126.72
  6. Step 6: Final answer
    x = 32,361.12

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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.