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Finding the Fourth Proportional to 62,798.64, 86,661.84 and 35,941

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Solution

The fourth proportional to 62,798.64, 86,661.84 and 35,941 is: 49,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,798.64 : 86,661.84 = 35,941 : x
  2. Step 2: Convert to fraction form
    62,798.64/86,661.84 = 35,941/x
  3. Step 3: Cross multiply
    62,798.64x = 86,661.84 × 35,941
  4. Step 4: Simplify right side
    62,798.64x = 3,114,713,191.44
  5. Step 5: Solve for x
    x = 3,114,713,191.44/62,798.64
  6. Step 6: Final answer
    x = 49,598.42

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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.