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Finding the Fourth Proportional to 63,117.84, 94,643.58 and 18,738.48

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Solution

The fourth proportional to 63,117.84, 94,643.58 and 18,738.48 is: 28,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,117.84 : 94,643.58 = 18,738.48 : x
  2. Step 2: Convert to fraction form
    63,117.84/94,643.58 = 18,738.48/x
  3. Step 3: Cross multiply
    63,117.84x = 94,643.58 × 18,738.48
  4. Step 4: Simplify right side
    63,117.84x = 1,773,476,830.96
  5. Step 5: Solve for x
    x = 1,773,476,830.96/63,117.84
  6. Step 6: Final answer
    x = 28,097.87

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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.