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Finding the Fourth Proportional to 66,813.03, 100,188.27 and 38,741.09

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Solution

The fourth proportional to 66,813.03, 100,188.27 and 38,741.09 is: 58,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,813.03 : 100,188.27 = 38,741.09 : x
  2. Step 2: Convert to fraction form
    66,813.03/100,188.27 = 38,741.09/x
  3. Step 3: Cross multiply
    66,813.03x = 100,188.27 × 38,741.09
  4. Step 4: Simplify right side
    66,813.03x = 3,881,402,284.07
  5. Step 5: Solve for x
    x = 3,881,402,284.07/66,813.03
  6. Step 6: Final answer
    x = 58,093.49

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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.