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Finding the Fourth Proportional to 5,690.84, 8,533.54 and 2,918.84

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Solution

The fourth proportional to 5,690.84, 8,533.54 and 2,918.84 is: 4,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.84 : 8,533.54 = 2,918.84 : x
  2. Step 2: Convert to fraction form
    5,690.84/8,533.54 = 2,918.84/x
  3. Step 3: Cross multiply
    5,690.84x = 8,533.54 × 2,918.84
  4. Step 4: Simplify right side
    5,690.84x = 24,908,037.89
  5. Step 5: Solve for x
    x = 24,908,037.89/5,690.84
  6. Step 6: Final answer
    x = 4,376.86

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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.