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Finding the Fourth Proportional to 66,336.55, 99,504.59 and 26,893.57

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Solution

The fourth proportional to 66,336.55, 99,504.59 and 26,893.57 is: 40,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.55 : 99,504.59 = 26,893.57 : x
  2. Step 2: Convert to fraction form
    66,336.55/99,504.59 = 26,893.57/x
  3. Step 3: Cross multiply
    66,336.55x = 99,504.59 × 26,893.57
  4. Step 4: Simplify right side
    66,336.55x = 2,676,033,024.50
  5. Step 5: Solve for x
    x = 2,676,033,024.50/66,336.55
  6. Step 6: Final answer
    x = 40,340.25

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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.