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Finding the Fourth Proportional to 69,802.84, 96,306.60 and 39,586.60

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Solution

The fourth proportional to 69,802.84, 96,306.60 and 39,586.60 is: 54,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,802.84 : 96,306.60 = 39,586.60 : x
  2. Step 2: Convert to fraction form
    69,802.84/96,306.60 = 39,586.60/x
  3. Step 3: Cross multiply
    69,802.84x = 96,306.60 × 39,586.60
  4. Step 4: Simplify right side
    69,802.84x = 3,812,450,851.56
  5. Step 5: Solve for x
    x = 3,812,450,851.56/69,802.84
  6. Step 6: Final answer
    x = 54,617.42

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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.