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Finding the Fourth Proportional to 7,237.64, 10,858.10 and 2,620.64

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Solution

The fourth proportional to 7,237.64, 10,858.10 and 2,620.64 is: 3,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.64 : 10,858.10 = 2,620.64 : x
  2. Step 2: Convert to fraction form
    7,237.64/10,858.10 = 2,620.64/x
  3. Step 3: Cross multiply
    7,237.64x = 10,858.10 × 2,620.64
  4. Step 4: Simplify right side
    7,237.64x = 28,455,171.18
  5. Step 5: Solve for x
    x = 28,455,171.18/7,237.64
  6. Step 6: Final answer
    x = 3,931.55

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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.