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Finding the Fourth Proportional to 9,675.70, 14,513.58 and 2,750.20

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Solution

The fourth proportional to 9,675.70, 14,513.58 and 2,750.20 is: 4,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,675.70 : 14,513.58 = 2,750.20 : x
  2. Step 2: Convert to fraction form
    9,675.70/14,513.58 = 2,750.20/x
  3. Step 3: Cross multiply
    9,675.70x = 14,513.58 × 2,750.20
  4. Step 4: Simplify right side
    9,675.70x = 39,915,293.07
  5. Step 5: Solve for x
    x = 39,915,293.07/9,675.70
  6. Step 6: Final answer
    x = 4,125.31

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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.