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Finding the Fourth Proportional to 8,047.59, 12,071.39 and 2,852.25

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Solution

The fourth proportional to 8,047.59, 12,071.39 and 2,852.25 is: 4,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.59 : 12,071.39 = 2,852.25 : x
  2. Step 2: Convert to fraction form
    8,047.59/12,071.39 = 2,852.25/x
  3. Step 3: Cross multiply
    8,047.59x = 12,071.39 × 2,852.25
  4. Step 4: Simplify right side
    8,047.59x = 34,430,607.87
  5. Step 5: Solve for x
    x = 34,430,607.87/8,047.59
  6. Step 6: Final answer
    x = 4,278.38

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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.