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Finding the Fourth Proportional to 66,225.03, 91,390.05 and 36,010.32

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Solution

The fourth proportional to 66,225.03, 91,390.05 and 36,010.32 is: 49,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,225.03 : 91,390.05 = 36,010.32 : x
  2. Step 2: Convert to fraction form
    66,225.03/91,390.05 = 36,010.32/x
  3. Step 3: Cross multiply
    66,225.03x = 91,390.05 × 36,010.32
  4. Step 4: Simplify right side
    66,225.03x = 3,290,984,945.32
  5. Step 5: Solve for x
    x = 3,290,984,945.32/66,225.03
  6. Step 6: Final answer
    x = 49,693.97

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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.