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Finding the Fourth Proportional to 63,956.40, 95,941.80 and 19,582.80

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Solution

The fourth proportional to 63,956.40, 95,941.80 and 19,582.80 is: 29,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,956.40 : 95,941.80 = 19,582.80 : x
  2. Step 2: Convert to fraction form
    63,956.40/95,941.80 = 19,582.80/x
  3. Step 3: Cross multiply
    63,956.40x = 95,941.80 × 19,582.80
  4. Step 4: Simplify right side
    63,956.40x = 1,878,809,081.04
  5. Step 5: Solve for x
    x = 1,878,809,081.04/63,956.40
  6. Step 6: Final answer
    x = 29,376.40

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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.