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Finding the Fourth Proportional to 5,706.95, 8,561.43 and 1,810.44

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Solution

The fourth proportional to 5,706.95, 8,561.43 and 1,810.44 is: 2,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.95 : 8,561.43 = 1,810.44 : x
  2. Step 2: Convert to fraction form
    5,706.95/8,561.43 = 1,810.44/x
  3. Step 3: Cross multiply
    5,706.95x = 8,561.43 × 1,810.44
  4. Step 4: Simplify right side
    5,706.95x = 15,499,955.33
  5. Step 5: Solve for x
    x = 15,499,955.33/5,706.95
  6. Step 6: Final answer
    x = 2,715.98

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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.