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Finding the Fourth Proportional to 61,073.31, 91,598.97 and 21,630.63

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Solution

The fourth proportional to 61,073.31, 91,598.97 and 21,630.63 is: 32,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,073.31 : 91,598.97 = 21,630.63 : x
  2. Step 2: Convert to fraction form
    61,073.31/91,598.97 = 21,630.63/x
  3. Step 3: Cross multiply
    61,073.31x = 91,598.97 × 21,630.63
  4. Step 4: Simplify right side
    61,073.31x = 1,981,343,428.45
  5. Step 5: Solve for x
    x = 1,981,343,428.45/61,073.31
  6. Step 6: Final answer
    x = 32,442.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.