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Finding the Fourth Proportional to 66,592.64, 99,867 and 22,207.16

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Solution

The fourth proportional to 66,592.64, 99,867 and 22,207.16 is: 33,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,592.64 : 99,867 = 22,207.16 : x
  2. Step 2: Convert to fraction form
    66,592.64/99,867 = 22,207.16/x
  3. Step 3: Cross multiply
    66,592.64x = 99,867 × 22,207.16
  4. Step 4: Simplify right side
    66,592.64x = 2,217,762,447.72
  5. Step 5: Solve for x
    x = 2,217,762,447.72/66,592.64
  6. Step 6: Final answer
    x = 33,303.42

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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.