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Finding the Fourth Proportional to 66,713.04, 92,061.96 and 39,849.48

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Solution

The fourth proportional to 66,713.04, 92,061.96 and 39,849.48 is: 54,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.04 : 92,061.96 = 39,849.48 : x
  2. Step 2: Convert to fraction form
    66,713.04/92,061.96 = 39,849.48/x
  3. Step 3: Cross multiply
    66,713.04x = 92,061.96 × 39,849.48
  4. Step 4: Simplify right side
    66,713.04x = 3,668,621,233.78
  5. Step 5: Solve for x
    x = 3,668,621,233.78/66,713.04
  6. Step 6: Final answer
    x = 54,991.07

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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.