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Finding the Fourth Proportional to 7,211.59, 10,818.50 and 3,051.63

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Solution

The fourth proportional to 7,211.59, 10,818.50 and 3,051.63 is: 4,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.59 : 10,818.50 = 3,051.63 : x
  2. Step 2: Convert to fraction form
    7,211.59/10,818.50 = 3,051.63/x
  3. Step 3: Cross multiply
    7,211.59x = 10,818.50 × 3,051.63
  4. Step 4: Simplify right side
    7,211.59x = 33,014,043.90
  5. Step 5: Solve for x
    x = 33,014,043.90/7,211.59
  6. Step 6: Final answer
    x = 4,577.92

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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.