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Finding the Fourth Proportional to 8,798.64, 13,199.93 and 2,955.09

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Solution

The fourth proportional to 8,798.64, 13,199.93 and 2,955.09 is: 4,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.64 : 13,199.93 = 2,955.09 : x
  2. Step 2: Convert to fraction form
    8,798.64/13,199.93 = 2,955.09/x
  3. Step 3: Cross multiply
    8,798.64x = 13,199.93 × 2,955.09
  4. Step 4: Simplify right side
    8,798.64x = 39,007,026.95
  5. Step 5: Solve for x
    x = 39,007,026.95/8,798.64
  6. Step 6: Final answer
    x = 4,433.30

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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.