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Finding the Fourth Proportional to 4,899.72, 7,349.59 and 2,713.07

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Solution

The fourth proportional to 4,899.72, 7,349.59 and 2,713.07 is: 4,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.72 : 7,349.59 = 2,713.07 : x
  2. Step 2: Convert to fraction form
    4,899.72/7,349.59 = 2,713.07/x
  3. Step 3: Cross multiply
    4,899.72x = 7,349.59 × 2,713.07
  4. Step 4: Simplify right side
    4,899.72x = 19,939,901.83
  5. Step 5: Solve for x
    x = 19,939,901.83/4,899.72
  6. Step 6: Final answer
    x = 4,069.60

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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.