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Finding the Fourth Proportional to 64,392.64, 88,903.50 and 41,432.74

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Solution

The fourth proportional to 64,392.64, 88,903.50 and 41,432.74 is: 57,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,392.64 : 88,903.50 = 41,432.74 : x
  2. Step 2: Convert to fraction form
    64,392.64/88,903.50 = 41,432.74/x
  3. Step 3: Cross multiply
    64,392.64x = 88,903.50 × 41,432.74
  4. Step 4: Simplify right side
    64,392.64x = 3,683,515,600.59
  5. Step 5: Solve for x
    x = 3,683,515,600.59/64,392.64
  6. Step 6: Final answer
    x = 57,203.98

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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.