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Finding the Fourth Proportional to 7,801.02, 11,698.90 and 2,534.64

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Solution

The fourth proportional to 7,801.02, 11,698.90 and 2,534.64 is: 3,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.02 : 11,698.90 = 2,534.64 : x
  2. Step 2: Convert to fraction form
    7,801.02/11,698.90 = 2,534.64/x
  3. Step 3: Cross multiply
    7,801.02x = 11,698.90 × 2,534.64
  4. Step 4: Simplify right side
    7,801.02x = 29,652,499.90
  5. Step 5: Solve for x
    x = 29,652,499.90/7,801.02
  6. Step 6: Final answer
    x = 3,801.11

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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.