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Finding the Fourth Proportional to 8,011.76, 11,054.53 and 4,652.84

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Solution

The fourth proportional to 8,011.76, 11,054.53 and 4,652.84 is: 6,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.76 : 11,054.53 = 4,652.84 : x
  2. Step 2: Convert to fraction form
    8,011.76/11,054.53 = 4,652.84/x
  3. Step 3: Cross multiply
    8,011.76x = 11,054.53 × 4,652.84
  4. Step 4: Simplify right side
    8,011.76x = 51,434,959.37
  5. Step 5: Solve for x
    x = 51,434,959.37/8,011.76
  6. Step 6: Final answer
    x = 6,419.93

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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.