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Finding the Fourth Proportional to 66,543.14, 91,826.34 and 37,860.14

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Solution

The fourth proportional to 66,543.14, 91,826.34 and 37,860.14 is: 52,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,543.14 : 91,826.34 = 37,860.14 : x
  2. Step 2: Convert to fraction form
    66,543.14/91,826.34 = 37,860.14/x
  3. Step 3: Cross multiply
    66,543.14x = 91,826.34 × 37,860.14
  4. Step 4: Simplify right side
    66,543.14x = 3,476,558,088.09
  5. Step 5: Solve for x
    x = 3,476,558,088.09/66,543.14
  6. Step 6: Final answer
    x = 52,245.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.