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Finding the Fourth Proportional to 4,886.92, 7,331.10 and 1,767.16

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Solution

The fourth proportional to 4,886.92, 7,331.10 and 1,767.16 is: 2,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.92 : 7,331.10 = 1,767.16 : x
  2. Step 2: Convert to fraction form
    4,886.92/7,331.10 = 1,767.16/x
  3. Step 3: Cross multiply
    4,886.92x = 7,331.10 × 1,767.16
  4. Step 4: Simplify right side
    4,886.92x = 12,955,226.68
  5. Step 5: Solve for x
    x = 12,955,226.68/4,886.92
  6. Step 6: Final answer
    x = 2,651.00

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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.