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Finding the Fourth Proportional to 4,713.28, 7,069.89 and 1,250.50

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Solution

The fourth proportional to 4,713.28, 7,069.89 and 1,250.50 is: 1,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.28 : 7,069.89 = 1,250.50 : x
  2. Step 2: Convert to fraction form
    4,713.28/7,069.89 = 1,250.50/x
  3. Step 3: Cross multiply
    4,713.28x = 7,069.89 × 1,250.50
  4. Step 4: Simplify right side
    4,713.28x = 8,840,897.45
  5. Step 5: Solve for x
    x = 8,840,897.45/4,713.28
  6. Step 6: Final answer
    x = 1,875.74

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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.