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Finding the Fourth Proportional to 60,638.41, 83,683.14 and 33,782.56

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Solution

The fourth proportional to 60,638.41, 83,683.14 and 33,782.56 is: 46,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,638.41 : 83,683.14 = 33,782.56 : x
  2. Step 2: Convert to fraction form
    60,638.41/83,683.14 = 33,782.56/x
  3. Step 3: Cross multiply
    60,638.41x = 83,683.14 × 33,782.56
  4. Step 4: Simplify right side
    60,638.41x = 2,827,030,698.04
  5. Step 5: Solve for x
    x = 2,827,030,698.04/60,638.41
  6. Step 6: Final answer
    x = 46,621.12

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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.