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Finding the Fourth Proportional to 66,157.19, 91,296.47 and 35,942.30

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Solution

The fourth proportional to 66,157.19, 91,296.47 and 35,942.30 is: 49,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,157.19 : 91,296.47 = 35,942.30 : x
  2. Step 2: Convert to fraction form
    66,157.19/91,296.47 = 35,942.30/x
  3. Step 3: Cross multiply
    66,157.19x = 91,296.47 × 35,942.30
  4. Step 4: Simplify right side
    66,157.19x = 3,281,404,477.49
  5. Step 5: Solve for x
    x = 3,281,404,477.49/66,157.19
  6. Step 6: Final answer
    x = 49,600.12

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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.