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Finding the Fourth Proportional to 64,401.04, 88,770.75 and 50,766.85

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Solution

The fourth proportional to 64,401.04, 88,770.75 and 50,766.85 is: 69,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,401.04 : 88,770.75 = 50,766.85 : x
  2. Step 2: Convert to fraction form
    64,401.04/88,770.75 = 50,766.85/x
  3. Step 3: Cross multiply
    64,401.04x = 88,770.75 × 50,766.85
  4. Step 4: Simplify right side
    64,401.04x = 4,506,611,349.64
  5. Step 5: Solve for x
    x = 4,506,611,349.64/64,401.04
  6. Step 6: Final answer
    x = 69,977.31

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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.