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Finding the Fourth Proportional to 88,883.72, 133,362.63 and 38,999.66

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Solution

The fourth proportional to 88,883.72, 133,362.63 and 38,999.66 is: 58,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,883.72 : 133,362.63 = 38,999.66 : x
  2. Step 2: Convert to fraction form
    88,883.72/133,362.63 = 38,999.66/x
  3. Step 3: Cross multiply
    88,883.72x = 133,362.63 × 38,999.66
  4. Step 4: Simplify right side
    88,883.72x = 5,201,097,226.71
  5. Step 5: Solve for x
    x = 5,201,097,226.71/88,883.72
  6. Step 6: Final answer
    x = 58,515.75

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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.