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Finding the Fourth Proportional to 4,800.40, 6,623.40 and 2,704.53

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Solution

The fourth proportional to 4,800.40, 6,623.40 and 2,704.53 is: 3,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.40 : 6,623.40 = 2,704.53 : x
  2. Step 2: Convert to fraction form
    4,800.40/6,623.40 = 2,704.53/x
  3. Step 3: Cross multiply
    4,800.40x = 6,623.40 × 2,704.53
  4. Step 4: Simplify right side
    4,800.40x = 17,913,184.00
  5. Step 5: Solve for x
    x = 17,913,184.00/4,800.40
  6. Step 6: Final answer
    x = 3,731.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.