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Finding the Fourth Proportional to 48,770.64, 67,310.64 and 28,638.56

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Solution

The fourth proportional to 48,770.64, 67,310.64 and 28,638.56 is: 39,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,770.64 : 67,310.64 = 28,638.56 : x
  2. Step 2: Convert to fraction form
    48,770.64/67,310.64 = 28,638.56/x
  3. Step 3: Cross multiply
    48,770.64x = 67,310.64 × 28,638.56
  4. Step 4: Simplify right side
    48,770.64x = 1,927,679,802.28
  5. Step 5: Solve for x
    x = 1,927,679,802.28/48,770.64
  6. Step 6: Final answer
    x = 39,525.42

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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.