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Finding the Fourth Proportional to 7,800.68, 11,701.01 and 4,848.23

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Solution

The fourth proportional to 7,800.68, 11,701.01 and 4,848.23 is: 7,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.68 : 11,701.01 = 4,848.23 : x
  2. Step 2: Convert to fraction form
    7,800.68/11,701.01 = 4,848.23/x
  3. Step 3: Cross multiply
    7,800.68x = 11,701.01 × 4,848.23
  4. Step 4: Simplify right side
    7,800.68x = 56,729,141.33
  5. Step 5: Solve for x
    x = 56,729,141.33/7,800.68
  6. Step 6: Final answer
    x = 7,272.34

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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.