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Finding the Fourth Proportional to 45,894.60, 63,374.40 and 43,532.64

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Solution

The fourth proportional to 45,894.60, 63,374.40 and 43,532.64 is: 60,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,894.60 : 63,374.40 = 43,532.64 : x
  2. Step 2: Convert to fraction form
    45,894.60/63,374.40 = 43,532.64/x
  3. Step 3: Cross multiply
    45,894.60x = 63,374.40 × 43,532.64
  4. Step 4: Simplify right side
    45,894.60x = 2,758,854,940.42
  5. Step 5: Solve for x
    x = 2,758,854,940.42/45,894.60
  6. Step 6: Final answer
    x = 60,112.84

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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.