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Finding the Fourth Proportional to 63,774.66, 88,012.53 and 35,479.74

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Solution

The fourth proportional to 63,774.66, 88,012.53 and 35,479.74 is: 48,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,774.66 : 88,012.53 = 35,479.74 : x
  2. Step 2: Convert to fraction form
    63,774.66/88,012.53 = 35,479.74/x
  3. Step 3: Cross multiply
    63,774.66x = 88,012.53 × 35,479.74
  4. Step 4: Simplify right side
    63,774.66x = 3,122,661,681.14
  5. Step 5: Solve for x
    x = 3,122,661,681.14/63,774.66
  6. Step 6: Final answer
    x = 48,963.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.