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Finding the Fourth Proportional to 64,838.07, 89,506.41 and 45,733.41

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Solution

The fourth proportional to 64,838.07, 89,506.41 and 45,733.41 is: 63,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,838.07 : 89,506.41 = 45,733.41 : x
  2. Step 2: Convert to fraction form
    64,838.07/89,506.41 = 45,733.41/x
  3. Step 3: Cross multiply
    64,838.07x = 89,506.41 × 45,733.41
  4. Step 4: Simplify right side
    64,838.07x = 4,093,433,346.16
  5. Step 5: Solve for x
    x = 4,093,433,346.16/64,838.07
  6. Step 6: Final answer
    x = 63,133.18

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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.