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Finding the Fourth Proportional to 61,285.28, 91,927.94 and 19,732.28

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Solution

The fourth proportional to 61,285.28, 91,927.94 and 19,732.28 is: 29,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,285.28 : 91,927.94 = 19,732.28 : x
  2. Step 2: Convert to fraction form
    61,285.28/91,927.94 = 19,732.28/x
  3. Step 3: Cross multiply
    61,285.28x = 91,927.94 × 19,732.28
  4. Step 4: Simplify right side
    61,285.28x = 1,813,947,851.90
  5. Step 5: Solve for x
    x = 1,813,947,851.90/61,285.28
  6. Step 6: Final answer
    x = 29,598.43

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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.