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Finding the Fourth Proportional to 66,264.75, 99,429.03 and 32,987.75

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Solution

The fourth proportional to 66,264.75, 99,429.03 and 32,987.75 is: 49,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,264.75 : 99,429.03 = 32,987.75 : x
  2. Step 2: Convert to fraction form
    66,264.75/99,429.03 = 32,987.75/x
  3. Step 3: Cross multiply
    66,264.75x = 99,429.03 × 32,987.75
  4. Step 4: Simplify right side
    66,264.75x = 3,279,939,487.24
  5. Step 5: Solve for x
    x = 3,279,939,487.24/66,264.75
  6. Step 6: Final answer
    x = 49,497.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.