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Finding the Fourth Proportional to 10,555.95, 14,568.62 and 5,957.65

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Solution

The fourth proportional to 10,555.95, 14,568.62 and 5,957.65 is: 8,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.95 : 14,568.62 = 5,957.65 : x
  2. Step 2: Convert to fraction form
    10,555.95/14,568.62 = 5,957.65/x
  3. Step 3: Cross multiply
    10,555.95x = 14,568.62 × 5,957.65
  4. Step 4: Simplify right side
    10,555.95x = 86,794,801.73
  5. Step 5: Solve for x
    x = 86,794,801.73/10,555.95
  6. Step 6: Final answer
    x = 8,222.36

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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.