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Finding the Fourth Proportional to 10,365.60, 14,304.49 and 5,649.87

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Solution

The fourth proportional to 10,365.60, 14,304.49 and 5,649.87 is: 7,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.60 : 14,304.49 = 5,649.87 : x
  2. Step 2: Convert to fraction form
    10,365.60/14,304.49 = 5,649.87/x
  3. Step 3: Cross multiply
    10,365.60x = 14,304.49 × 5,649.87
  4. Step 4: Simplify right side
    10,365.60x = 80,818,508.92
  5. Step 5: Solve for x
    x = 80,818,508.92/10,365.60
  6. Step 6: Final answer
    x = 7,796.80

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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.