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Finding the Fourth Proportional to 10,577.94, 15,868.26 and 3,554.94

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Solution

The fourth proportional to 10,577.94, 15,868.26 and 3,554.94 is: 5,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.94 : 15,868.26 = 3,554.94 : x
  2. Step 2: Convert to fraction form
    10,577.94/15,868.26 = 3,554.94/x
  3. Step 3: Cross multiply
    10,577.94x = 15,868.26 × 3,554.94
  4. Step 4: Simplify right side
    10,577.94x = 56,410,712.20
  5. Step 5: Solve for x
    x = 56,410,712.20/10,577.94
  6. Step 6: Final answer
    x = 5,332.86

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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.