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Finding the Fourth Proportional to 62,466.68, 86,266.99 and 39,816.35

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Solution

The fourth proportional to 62,466.68, 86,266.99 and 39,816.35 is: 54,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,466.68 : 86,266.99 = 39,816.35 : x
  2. Step 2: Convert to fraction form
    62,466.68/86,266.99 = 39,816.35/x
  3. Step 3: Cross multiply
    62,466.68x = 86,266.99 × 39,816.35
  4. Step 4: Simplify right side
    62,466.68x = 3,434,836,667.29
  5. Step 5: Solve for x
    x = 3,434,836,667.29/62,466.68
  6. Step 6: Final answer
    x = 54,986.70

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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.