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Finding the Fourth Proportional to 66,157.20, 91,294.80 and 35,941.44

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Solution

The fourth proportional to 66,157.20, 91,294.80 and 35,941.44 is: 49,598.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,157.20 : 91,294.80 = 35,941.44 : x
  2. Step 2: Convert to fraction form
    66,157.20/91,294.80 = 35,941.44/x
  3. Step 3: Cross multiply
    66,157.20x = 91,294.80 × 35,941.44
  4. Step 4: Simplify right side
    66,157.20x = 3,281,266,576.51
  5. Step 5: Solve for x
    x = 3,281,266,576.51/66,157.20
  6. Step 6: Final answer
    x = 49,598.03

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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.