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Finding the Fourth Proportional to 80,405.46, 110,966.34 and 44,607

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Solution

The fourth proportional to 80,405.46, 110,966.34 and 44,607 is: 61,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,405.46 : 110,966.34 = 44,607 : x
  2. Step 2: Convert to fraction form
    80,405.46/110,966.34 = 44,607/x
  3. Step 3: Cross multiply
    80,405.46x = 110,966.34 × 44,607
  4. Step 4: Simplify right side
    80,405.46x = 4,949,875,528.38
  5. Step 5: Solve for x
    x = 4,949,875,528.38/80,405.46
  6. Step 6: Final answer
    x = 61,561.44

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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.