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Finding the Fourth Proportional to 4,998.88, 7,497.42 and 1,667.08

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Solution

The fourth proportional to 4,998.88, 7,497.42 and 1,667.08 is: 2,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.88 : 7,497.42 = 1,667.08 : x
  2. Step 2: Convert to fraction form
    4,998.88/7,497.42 = 1,667.08/x
  3. Step 3: Cross multiply
    4,998.88x = 7,497.42 × 1,667.08
  4. Step 4: Simplify right side
    4,998.88x = 12,498,798.93
  5. Step 5: Solve for x
    x = 12,498,798.93/4,998.88
  6. Step 6: Final answer
    x = 2,500.32

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Half scale
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Double scale
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Similar ratio
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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.