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Finding the Fourth Proportional to 66,482.40, 91,746.78 and 36,267.72

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Solution

The fourth proportional to 66,482.40, 91,746.78 and 36,267.72 is: 50,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,482.40 : 91,746.78 = 36,267.72 : x
  2. Step 2: Convert to fraction form
    66,482.40/91,746.78 = 36,267.72/x
  3. Step 3: Cross multiply
    66,482.40x = 91,746.78 × 36,267.72
  4. Step 4: Simplify right side
    66,482.40x = 3,327,446,527.94
  5. Step 5: Solve for x
    x = 3,327,446,527.94/66,482.40
  6. Step 6: Final answer
    x = 50,050.04

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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.