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Finding the Fourth Proportional to 65,207.66, 89,994.04 and 36,535.06

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Solution

The fourth proportional to 65,207.66, 89,994.04 and 36,535.06 is: 50,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207.66 : 89,994.04 = 36,535.06 : x
  2. Step 2: Convert to fraction form
    65,207.66/89,994.04 = 36,535.06/x
  3. Step 3: Cross multiply
    65,207.66x = 89,994.04 × 36,535.06
  4. Step 4: Simplify right side
    65,207.66x = 3,287,937,651.04
  5. Step 5: Solve for x
    x = 3,287,937,651.04/65,207.66
  6. Step 6: Final answer
    x = 50,422.57

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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.