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Finding the Fourth Proportional to 10,365.81, 14,304.90 and 5,650.39

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Solution

The fourth proportional to 10,365.81, 14,304.90 and 5,650.39 is: 7,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.81 : 14,304.90 = 5,650.39 : x
  2. Step 2: Convert to fraction form
    10,365.81/14,304.90 = 5,650.39/x
  3. Step 3: Cross multiply
    10,365.81x = 14,304.90 × 5,650.39
  4. Step 4: Simplify right side
    10,365.81x = 80,828,263.91
  5. Step 5: Solve for x
    x = 80,828,263.91/10,365.81
  6. Step 6: Final answer
    x = 7,797.58

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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.