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Finding the Fourth Proportional to 66,709.32, 100,063.98 and 26,746.44

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Solution

The fourth proportional to 66,709.32, 100,063.98 and 26,746.44 is: 40,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,709.32 : 100,063.98 = 26,746.44 : x
  2. Step 2: Convert to fraction form
    66,709.32/100,063.98 = 26,746.44/x
  3. Step 3: Cross multiply
    66,709.32x = 100,063.98 × 26,746.44
  4. Step 4: Simplify right side
    66,709.32x = 2,676,355,237.23
  5. Step 5: Solve for x
    x = 2,676,355,237.23/66,709.32
  6. Step 6: Final answer
    x = 40,119.66

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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.