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Finding the Fourth Proportional to 66,341.58, 91,551.42 and 36,533.58

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Solution

The fourth proportional to 66,341.58, 91,551.42 and 36,533.58 is: 50,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341.58 : 91,551.42 = 36,533.58 : x
  2. Step 2: Convert to fraction form
    66,341.58/91,551.42 = 36,533.58/x
  3. Step 3: Cross multiply
    66,341.58x = 91,551.42 × 36,533.58
  4. Step 4: Simplify right side
    66,341.58x = 3,344,701,126.68
  5. Step 5: Solve for x
    x = 3,344,701,126.68/66,341.58
  6. Step 6: Final answer
    x = 50,416.36

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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.