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Finding the Fourth Proportional to 64,223.46, 88,630.84 and 35,929.15

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Solution

The fourth proportional to 64,223.46, 88,630.84 and 35,929.15 is: 49,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,223.46 : 88,630.84 = 35,929.15 : x
  2. Step 2: Convert to fraction form
    64,223.46/88,630.84 = 35,929.15/x
  3. Step 3: Cross multiply
    64,223.46x = 88,630.84 × 35,929.15
  4. Step 4: Simplify right side
    64,223.46x = 3,184,430,568.32
  5. Step 5: Solve for x
    x = 3,184,430,568.32/64,223.46
  6. Step 6: Final answer
    x = 49,583.60

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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.