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Finding the Fourth Proportional to 4,700.65, 6,486.72 and 2,711.29

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Solution

The fourth proportional to 4,700.65, 6,486.72 and 2,711.29 is: 3,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.65 : 6,486.72 = 2,711.29 : x
  2. Step 2: Convert to fraction form
    4,700.65/6,486.72 = 2,711.29/x
  3. Step 3: Cross multiply
    4,700.65x = 6,486.72 × 2,711.29
  4. Step 4: Simplify right side
    4,700.65x = 17,587,379.07
  5. Step 5: Solve for x
    x = 17,587,379.07/4,700.65
  6. Step 6: Final answer
    x = 3,741.48

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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.