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Finding the Fourth Proportional to 4,681.70, 6,460.86 and 2,692.44

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Solution

The fourth proportional to 4,681.70, 6,460.86 and 2,692.44 is: 3,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.70 : 6,460.86 = 2,692.44 : x
  2. Step 2: Convert to fraction form
    4,681.70/6,460.86 = 2,692.44/x
  3. Step 3: Cross multiply
    4,681.70x = 6,460.86 × 2,692.44
  4. Step 4: Simplify right side
    4,681.70x = 17,395,488.00
  5. Step 5: Solve for x
    x = 17,395,488.00/4,681.70
  6. Step 6: Final answer
    x = 3,715.64

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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.