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Finding the Fourth Proportional to 6,190.68, 9,285.68 and 4,526.51

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Solution

The fourth proportional to 6,190.68, 9,285.68 and 4,526.51 is: 6,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.68 : 9,285.68 = 4,526.51 : x
  2. Step 2: Convert to fraction form
    6,190.68/9,285.68 = 4,526.51/x
  3. Step 3: Cross multiply
    6,190.68x = 9,285.68 × 4,526.51
  4. Step 4: Simplify right side
    6,190.68x = 42,031,750.37
  5. Step 5: Solve for x
    x = 42,031,750.37/6,190.68
  6. Step 6: Final answer
    x = 6,789.52

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.