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Finding the Fourth Proportional to 8,064.56, 11,129.10 and 4,528.00

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Solution

The fourth proportional to 8,064.56, 11,129.10 and 4,528.00 is: 6,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.56 : 11,129.10 = 4,528.00 : x
  2. Step 2: Convert to fraction form
    8,064.56/11,129.10 = 4,528.00/x
  3. Step 3: Cross multiply
    8,064.56x = 11,129.10 × 4,528.00
  4. Step 4: Simplify right side
    8,064.56x = 50,392,561.73
  5. Step 5: Solve for x
    x = 50,392,561.73/8,064.56
  6. Step 6: Final answer
    x = 6,248.64

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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.