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Finding the Fourth Proportional to 64,104.90, 88,494.96 and 45,084.84

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Solution

The fourth proportional to 64,104.90, 88,494.96 and 45,084.84 is: 62,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,104.90 : 88,494.96 = 45,084.84 : x
  2. Step 2: Convert to fraction form
    64,104.90/88,494.96 = 45,084.84/x
  3. Step 3: Cross multiply
    64,104.90x = 88,494.96 × 45,084.84
  4. Step 4: Simplify right side
    64,104.90x = 3,989,781,112.41
  5. Step 5: Solve for x
    x = 3,989,781,112.41/64,104.90
  6. Step 6: Final answer
    x = 62,238.32

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1.5x scale

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.