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Finding the Fourth Proportional to 10,364.85, 14,303.65 and 5,649.13

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Solution

The fourth proportional to 10,364.85, 14,303.65 and 5,649.13 is: 7,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.85 : 14,303.65 = 5,649.13 : x
  2. Step 2: Convert to fraction form
    10,364.85/14,303.65 = 5,649.13/x
  3. Step 3: Cross multiply
    10,364.85x = 14,303.65 × 5,649.13
  4. Step 4: Simplify right side
    10,364.85x = 80,803,178.32
  5. Step 5: Solve for x
    x = 80,803,178.32/10,364.85
  6. Step 6: Final answer
    x = 7,795.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.