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Finding the Fourth Proportional to 66,230.01, 91,394.63 and 37,551.60

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Solution

The fourth proportional to 66,230.01, 91,394.63 and 37,551.60 is: 51,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,230.01 : 91,394.63 = 37,551.60 : x
  2. Step 2: Convert to fraction form
    66,230.01/91,394.63 = 37,551.60/x
  3. Step 3: Cross multiply
    66,230.01x = 91,394.63 × 37,551.60
  4. Step 4: Simplify right side
    66,230.01x = 3,432,014,587.91
  5. Step 5: Solve for x
    x = 3,432,014,587.91/66,230.01
  6. Step 6: Final answer
    x = 51,819.63

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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.