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Finding the Fourth Proportional to 10,364.88, 14,303.88 and 5,649.33

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Solution

The fourth proportional to 10,364.88, 14,303.88 and 5,649.33 is: 7,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.88 : 14,303.88 = 5,649.33 : x
  2. Step 2: Convert to fraction form
    10,364.88/14,303.88 = 5,649.33/x
  3. Step 3: Cross multiply
    10,364.88x = 14,303.88 × 5,649.33
  4. Step 4: Simplify right side
    10,364.88x = 80,807,338.40
  5. Step 5: Solve for x
    x = 80,807,338.40/10,364.88
  6. Step 6: Final answer
    x = 7,796.26

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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.