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Finding the Fourth Proportional to 4,700.61, 6,486.68 and 2,711.12

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Solution

The fourth proportional to 4,700.61, 6,486.68 and 2,711.12 is: 3,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.61 : 6,486.68 = 2,711.12 : x
  2. Step 2: Convert to fraction form
    4,700.61/6,486.68 = 2,711.12/x
  3. Step 3: Cross multiply
    4,700.61x = 6,486.68 × 2,711.12
  4. Step 4: Simplify right side
    4,700.61x = 17,586,142.23
  5. Step 5: Solve for x
    x = 17,586,142.23/4,700.61
  6. Step 6: Final answer
    x = 3,741.25

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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.