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Finding the Fourth Proportional to 60,641.92, 83,683.74 and 33,783.04

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Solution

The fourth proportional to 60,641.92, 83,683.74 and 33,783.04 is: 46,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,641.92 : 83,683.74 = 33,783.04 : x
  2. Step 2: Convert to fraction form
    60,641.92/83,683.74 = 33,783.04/x
  3. Step 3: Cross multiply
    60,641.92x = 83,683.74 × 33,783.04
  4. Step 4: Simplify right side
    60,641.92x = 2,827,091,135.77
  5. Step 5: Solve for x
    x = 2,827,091,135.77/60,641.92
  6. Step 6: Final answer
    x = 46,619.42

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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.