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Finding the Fourth Proportional to 45,873.57, 68,810.46 and 12,594.09

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Solution

The fourth proportional to 45,873.57, 68,810.46 and 12,594.09 is: 18,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,873.57 : 68,810.46 = 12,594.09 : x
  2. Step 2: Convert to fraction form
    45,873.57/68,810.46 = 12,594.09/x
  3. Step 3: Cross multiply
    45,873.57x = 68,810.46 × 12,594.09
  4. Step 4: Simplify right side
    45,873.57x = 866,604,719.16
  5. Step 5: Solve for x
    x = 866,604,719.16/45,873.57
  6. Step 6: Final answer
    x = 18,891.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.