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Finding the Fourth Proportional to 2,983.77, 4,475.93 and 792.59

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Solution

The fourth proportional to 2,983.77, 4,475.93 and 792.59 is: 1,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.77 : 4,475.93 = 792.59 : x
  2. Step 2: Convert to fraction form
    2,983.77/4,475.93 = 792.59/x
  3. Step 3: Cross multiply
    2,983.77x = 4,475.93 × 792.59
  4. Step 4: Simplify right side
    2,983.77x = 3,547,551.02
  5. Step 5: Solve for x
    x = 3,547,551.02/2,983.77
  6. Step 6: Final answer
    x = 1,188.95

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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.