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Finding the Fourth Proportional to 10,364.76, 14,303.28 and 5,649.06

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Solution

The fourth proportional to 10,364.76, 14,303.28 and 5,649.06 is: 7,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.76 : 14,303.28 = 5,649.06 : x
  2. Step 2: Convert to fraction form
    10,364.76/14,303.28 = 5,649.06/x
  3. Step 3: Cross multiply
    10,364.76x = 14,303.28 × 5,649.06
  4. Step 4: Simplify right side
    10,364.76x = 80,800,086.92
  5. Step 5: Solve for x
    x = 80,800,086.92/10,364.76
  6. Step 6: Final answer
    x = 7,795.65

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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.