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Finding the Fourth Proportional to 66,714.64, 100,072.06 and 16,794.74

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Solution

The fourth proportional to 66,714.64, 100,072.06 and 16,794.74 is: 25,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,714.64 : 100,072.06 = 16,794.74 : x
  2. Step 2: Convert to fraction form
    66,714.64/100,072.06 = 16,794.74/x
  3. Step 3: Cross multiply
    66,714.64x = 100,072.06 × 16,794.74
  4. Step 4: Simplify right side
    66,714.64x = 1,680,684,437.16
  5. Step 5: Solve for x
    x = 1,680,684,437.16/66,714.64
  6. Step 6: Final answer
    x = 25,192.14

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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.