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Finding the Fourth Proportional to 66,597.92, 99,798 and 27,106.72

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Solution

The fourth proportional to 66,597.92, 99,798 and 27,106.72 is: 40,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,597.92 : 99,798 = 27,106.72 : x
  2. Step 2: Convert to fraction form
    66,597.92/99,798 = 27,106.72/x
  3. Step 3: Cross multiply
    66,597.92x = 99,798 × 27,106.72
  4. Step 4: Simplify right side
    66,597.92x = 2,705,196,442.56
  5. Step 5: Solve for x
    x = 2,705,196,442.56/66,597.92
  6. Step 6: Final answer
    x = 40,619.83

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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.