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Finding the Fourth Proportional to 63,886.60, 95,829.90 and 28,894.60

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Solution

The fourth proportional to 63,886.60, 95,829.90 and 28,894.60 is: 43,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,886.60 : 95,829.90 = 28,894.60 : x
  2. Step 2: Convert to fraction form
    63,886.60/95,829.90 = 28,894.60/x
  3. Step 3: Cross multiply
    63,886.60x = 95,829.90 × 28,894.60
  4. Step 4: Simplify right side
    63,886.60x = 2,768,966,628.54
  5. Step 5: Solve for x
    x = 2,768,966,628.54/63,886.60
  6. Step 6: Final answer
    x = 43,341.90

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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.