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Finding the Fourth Proportional to 6,667.95, 9,992.33 and 4,899.06

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Solution

The fourth proportional to 6,667.95, 9,992.33 and 4,899.06 is: 7,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.95 : 9,992.33 = 4,899.06 : x
  2. Step 2: Convert to fraction form
    6,667.95/9,992.33 = 4,899.06/x
  3. Step 3: Cross multiply
    6,667.95x = 9,992.33 × 4,899.06
  4. Step 4: Simplify right side
    6,667.95x = 48,952,999.71
  5. Step 5: Solve for x
    x = 48,952,999.71/6,667.95
  6. Step 6: Final answer
    x = 7,341.54

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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.