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Finding the Fourth Proportional to 66,094.29, 91,210.37 and 35,879.67

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Solution

The fourth proportional to 66,094.29, 91,210.37 and 35,879.67 is: 49,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,094.29 : 91,210.37 = 35,879.67 : x
  2. Step 2: Convert to fraction form
    66,094.29/91,210.37 = 35,879.67/x
  3. Step 3: Cross multiply
    66,094.29x = 91,210.37 × 35,879.67
  4. Step 4: Simplify right side
    66,094.29x = 3,272,597,796.78
  5. Step 5: Solve for x
    x = 3,272,597,796.78/66,094.29
  6. Step 6: Final answer
    x = 49,514.08

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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.