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Finding the Fourth Proportional to 7,015.55, 10,525.05 and 2,335.55

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Solution

The fourth proportional to 7,015.55, 10,525.05 and 2,335.55 is: 3,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.55 : 10,525.05 = 2,335.55 : x
  2. Step 2: Convert to fraction form
    7,015.55/10,525.05 = 2,335.55/x
  3. Step 3: Cross multiply
    7,015.55x = 10,525.05 × 2,335.55
  4. Step 4: Simplify right side
    7,015.55x = 24,581,780.53
  5. Step 5: Solve for x
    x = 24,581,780.53/7,015.55
  6. Step 6: Final answer
    x = 3,503.90

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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.